354431272 has 32 divisors (see below), whose sum is σ = 740363400. Its totient is φ = 157941504.

The previous prime is 354431269. The next prime is 354431291. The reversal of 354431272 is 272134453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 183710916 + 170720356 = 13554^2 + 13066^2 .

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, 55743 + ... + 61774.

Almost surely, 2^354431272 is an apocalyptic number.

It is an amenable number.

354431272 is an abundant number, since it is smaller than the sum of its proper divisors (385932128).

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

354431272 is a wasteful number, since it uses less digits than its factorization.

354431272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117565 (or 117561 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 354431272 is about 18826.3451577835. The cubic root of 354431272 is about 707.6915517248.

The spelling of 354431272 in words is "three hundred fifty-four million, four hundred thirty-one thousand, two hundred seventy-two".