354020680 has 32 divisors (see below), whose sum is σ = 857820600. Its totient is φ = 130715136.

The previous prime is 354020663. The next prime is 354020683. The reversal of 354020680 is 86020453.

It can be written as a sum of positive squares in 4 ways, for example, as 180150084 + 173870596 = 13422^2 + 13186^2 .

It is not an unprimeable number, because it can be changed into a prime (354020683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339885 + ... + 340924.

Almost surely, 2^354020680 is an apocalyptic number.

It is an amenable number.

354020680 is an abundant number, since it is smaller than the sum of its proper divisors (503799920).

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

354020680 is a wasteful number, since it uses less digits than its factorization.

354020680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680833 (or 680829 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 354020680 is about 18815.4372790005. The cubic root of 354020680 is about 707.4181703109.

The spelling of 354020680 in words is "three hundred fifty-four million, twenty thousand, six hundred eighty".