3456431972 has 18 divisors (see below), whose sum is σ = 7036308342. Its totient is φ = 1481327904.

The previous prime is 3456431969. The next prime is 3456431981. The reversal of 3456431972 is 2791346543.

3456431972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2094526756 + 1361905216 = 45766^2 + 36904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8817233 + ... + 8817624.

It is an arithmetic number, because the mean of its divisors is an integer number (390906019).

Almost surely, 2^3456431972 is an apocalyptic number.

It is an amenable number.

3456431972 is an abundant number, since it is smaller than the sum of its proper divisors (3579876370).

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

3456431972 is a wasteful number, since it uses less digits than its factorization.

3456431972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17634875 (or 17634866 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 3456431972 is about 58791.4277084678. The cubic root of 3456431972 is about 1511.9682492190.

The spelling of 3456431972 in words is "three billion, four hundred fifty-six million, four hundred thirty-one thousand, nine hundred seventy-two".