3913720 has 16 divisors (see below), whose sum is σ = 8805960. Its totient is φ = 1565472.

The previous prime is 3913717. The next prime is 3913727. The reversal of 3913720 is 273193.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48882 + ... + 48961.

Almost surely, 2^3913720 is an apocalyptic number.

It is an amenable number.

3913720 is an abundant number, since it is smaller than the sum of its proper divisors (4892240).

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

3913720 is a wasteful number, since it uses less digits than its factorization.

3913720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97854 (or 97850 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3913720 is about 1978.3124121331. The cubic root of 3913720 is about 157.5904578211.

The spelling of 3913720 in words is "three million, nine hundred thirteen thousand, seven hundred twenty".