3537920 has 44 divisors (see below), whose sum is σ = 8499144. Its totient is φ = 1413120.

The previous prime is 3537907. The next prime is 3537943. The reversal of 3537920 is 297353.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4775 + ... + 5465.

Almost surely, 2^3537920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3537920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4249572).

3537920 is an abundant number, since it is smaller than the sum of its proper divisors (4961224).

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

3537920 is an equidigital number, since it uses as much as digits as its factorization.

3537920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 3537920 is about 1880.9359372398. The cubic root of 3537920 is about 152.3758014132.

The spelling of 3537920 in words is "three million, five hundred thirty-seven thousand, nine hundred twenty".