3913910 has 128 divisors (see below), whose sum is σ = 10450944. Its totient is φ = 1013760.

The previous prime is 3913907. The next prime is 3913963. The reversal of 3913910 is 193193.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3913910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170159 + ... + 170181.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

Almost surely, 2^3913910 is an apocalyptic number.

3913910 is an abundant number, since it is smaller than the sum of its proper divisors (6537034).

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

3913910 is a wasteful number, since it uses less digits than its factorization.

3913910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 3913910 is about 1978.3604322772. The cubic root of 3913910 is about 157.5930079697.

The spelling of 3913910 in words is "three million, nine hundred thirteen thousand, nine hundred ten".