3662520 has 64 divisors (see below), whose sum is σ = 11473920. Its totient is φ = 933504.

The previous prime is 3662473. The next prime is 3662521. The reversal of 3662520 is 252663.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (179280).

Almost surely, 2^3662520 is an apocalyptic number.

3662520 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 3662520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5736960).

3662520 is an abundant number, since it is smaller than the sum of its proper divisors (7811400).

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

3662520 is a wasteful number, since it uses less digits than its factorization.

3662520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3662520 is about 1913.7711461928. The cubic root of 3662520 is about 154.1440155017.

The spelling of 3662520 in words is "three million, six hundred sixty-two thousand, five hundred twenty".