6369660 has 72 divisors (see below), whose sum is σ = 21084336. Its totient is φ = 1543680.

The previous prime is 6369653. The next prime is 6369667. The reversal of 6369660 is 669636.

It is an interprime number because it is at equal distance from previous prime (6369653) and next prime (6369667).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6369667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (292838).

Almost surely, 2^6369660 is an apocalyptic number.

6369660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6369660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10542168).

6369660 is an abundant number, since it is smaller than the sum of its proper divisors (14714676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6369660 is a wasteful number, since it uses less digits than its factorization.

6369660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 6369660 is about 2523.8185354736. The cubic root of 6369660 is about 185.3697014127.

It can be divided in two parts, 636 and 9660, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 6369660 in words is "six million, three hundred sixty-nine thousand, six hundred sixty".