354686980 has 48 divisors (see below), whose sum is σ = 790352640. Its totient is φ = 133242368.

The previous prime is 354686953. The next prime is 354687007. The reversal of 354686980 is 89686453.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (354686953) and next prime (354687007).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223269 + ... + 224851.

It is an arithmetic number, because the mean of its divisors is an integer number (16465680).

Almost surely, 2^354686980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354686980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395176320).

354686980 is an abundant number, since it is smaller than the sum of its proper divisors (435665660).

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

354686980 is a wasteful number, since it uses less digits than its factorization.

354686980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 354686980 is about 18833.1351611993. The cubic root of 354686980 is about 707.8617012046.

The spelling of 354686980 in words is "three hundred fifty-four million, six hundred eighty-six thousand, nine hundred eighty".