3113920 has 56 divisors (see below), whose sum is σ = 7644384. Its totient is φ = 1207296.

The previous prime is 3113917. The next prime is 3113921. The reversal of 3113920 is 293113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11709 + ... + 11971.

Almost surely, 2^3113920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822192).

3113920 is an abundant number, since it is smaller than the sum of its proper divisors (4530464).

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

3113920 is a wasteful number, since it uses less digits than its factorization.

3113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3113920 is about 1764.6302728900. The cubic root of 3113920 is about 146.0278923379.

The spelling of 3113920 in words is "three million, one hundred thirteen thousand, nine hundred twenty".