3913690 has 32 divisors (see below), whose sum is σ = 7858944. Its totient is φ = 1391040.

The previous prime is 3913687. The next prime is 3913697. The reversal of 3913690 is 963193.

It is a super-2 number, since 2×3913690² = 30633938832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3913697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4792 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (245592).

Almost surely, 2^3913690 is an apocalyptic number.

3913690 is an abundant number, since it is smaller than the sum of its proper divisors (3945254).

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

3913690 is a wasteful number, since it uses less digits than its factorization.

3913690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 3913690 is about 1978.3048298986. The cubic root of 3913690 is about 157.5900551585.

The spelling of 3913690 in words is "three million, nine hundred thirteen thousand, six hundred ninety".