3955540 has 24 divisors (see below), whose sum is σ = 8668800. Its totient is φ = 1513248.

The previous prime is 3955529. The next prime is 3955561. The reversal of 3955540 is 455593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3840 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (361200).

Almost surely, 2^3955540 is an apocalyptic number.

It is an amenable number.

3955540 is an abundant number, since it is smaller than the sum of its proper divisors (4713260).

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

3955540 is a wasteful number, since it uses less digits than its factorization.

3955540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631 (or 8629 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 3955540 is about 1988.8539413441. The cubic root of 3955540 is about 158.1497805216.

The spelling of 3955540 in words is "three million, nine hundred fifty-five thousand, five hundred forty".