3915730 has 48 divisors (see below), whose sum is σ = 8748864. Its totient is φ = 1235520.

The previous prime is 3915719. The next prime is 3915731. The reversal of 3915730 is 375193.

It is not an unprimeable number, because it can be changed into a prime (3915731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11665 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (182268).

Almost surely, 2^3915730 is an apocalyptic number.

3915730 is an abundant number, since it is smaller than the sum of its proper divisors (4833134).

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

3915730 is a wasteful number, since it uses less digits than its factorization.

3915730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 3915730 is about 1978.8203556665. The cubic root of 3915730 is about 157.6174315281.

The spelling of 3915730 in words is "three million, nine hundred fifteen thousand, seven hundred thirty".