3913658 has 16 divisors (see below), whose sum is σ = 7062720. Its totient is φ = 1588896.

The previous prime is 3913633. The next prime is 3913667. The reversal of 3913658 is 8563193.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 7091 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (441420).

Almost surely, 2^3913658 is an apocalyptic number.

3913658 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3913658 is a deficient number, since it is larger than the sum of its proper divisors (3149062).

3913658 is a wasteful number, since it uses less digits than its factorization.

3913658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14741.

The product of its digits is 19440, while the sum is 35.

The square root of 3913658 is about 1978.2967421497. The cubic root of 3913658 is about 157.5896256495.

The spelling of 3913658 in words is "three million, nine hundred thirteen thousand, six hundred fifty-eight".