3639360 has 112 divisors (see below), whose sum is σ = 12289536. Its totient is φ = 909312.

The previous prime is 3639347. The next prime is 3639379. The reversal of 3639360 is 639363.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16209 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (109728).

Almost surely, 2^3639360 is an apocalyptic number.

3639360 is a gapful number since it is divisible by the number (30) 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 3639360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6144768).

3639360 is an abundant number, since it is smaller than the sum of its proper divisors (8650176).

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

3639360 is a wasteful number, since it uses less digits than its factorization.

3639360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 30.

The square root of 3639360 is about 1907.7106698868. The cubic root of 3639360 is about 153.8184175639.

The spelling of 3639360 in words is "three million, six hundred thirty-nine thousand, three hundred sixty".