354401864 has 16 divisors (see below), whose sum is σ = 668965500. Its totient is φ = 176011072.

The previous prime is 354401809. The next prime is 354401893. The reversal of 354401864 is 468104453.

It can be written as a sum of positive squares in 2 ways, for example, as 277488964 + 76912900 = 16658^2 + 8770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147467 + ... + 149850.

Almost surely, 2^354401864 is an apocalyptic number.

It is an amenable number.

354401864 is a deficient number, since it is larger than the sum of its proper divisors (314563636).

354401864 is a wasteful number, since it uses less digits than its factorization.

354401864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297472 (or 297468 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 354401864 is about 18825.5641084139. The cubic root of 354401864 is about 707.6719782367.

The spelling of 354401864 in words is "three hundred fifty-four million, four hundred one thousand, eight hundred sixty-four".