3149391732 has 24 divisors (see below), whose sum is σ = 7424342016. Its totient is φ = 1038974208.

The previous prime is 3149391727. The next prime is 3149391743. The reversal of 3149391732 is 2371939413.

It is a congruent 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, 1351668 + ... + 1353995.

It is an arithmetic number, because the mean of its divisors is an integer number (309347584).

Almost surely, 2^3149391732 is an apocalyptic number.

It is an amenable number.

3149391732 is an abundant number, since it is smaller than the sum of its proper divisors (4274950284).

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

3149391732 is a wasteful number, since it uses less digits than its factorization.

3149391732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705767 (or 2705765 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 3149391732 is about 56119.4416579495. The cubic root of 3149391732 is about 1465.8028474218.

The spelling of 3149391732 in words is "three billion, one hundred forty-nine million, three hundred ninety-one thousand, seven hundred thirty-two".