3117492 has 72 divisors (see below), whose sum is σ = 9172800. Its totient is φ = 874368.

The previous prime is 3117487. The next prime is 3117493. The reversal of 3117492 is 2947113.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22359 + ... + 22497.

It is an arithmetic number, because the mean of its divisors is an integer number (127400).

Almost surely, 2^3117492 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 3117492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4586400).

3117492 is an abundant number, since it is smaller than the sum of its proper divisors (6055308).

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

3117492 is a wasteful number, since it uses less digits than its factorization.

3117492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 240 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 3117492 is about 1765.6420928376. The cubic root of 3117492 is about 146.0837075494.

The spelling of 3117492 in words is "three million, one hundred seventeen thousand, four hundred ninety-two".