354980 has 12 divisors (see below), whose sum is σ = 745500. Its totient is φ = 141984.

The previous prime is 354979. The next prime is 354983. The reversal of 354980 is 89453.

It can be written as a sum of positive squares in 2 ways, for example, as 65536 + 289444 = 256^2 + 538^2 .

It is an Ulam number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (354983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8855 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (62125).

2³⁵⁴⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

354980 is an abundant number, since it is smaller than the sum of its proper divisors (390520).

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

354980 is a wasteful number, since it uses less digits than its factorization.

354980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758 (or 17756 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 354980 is about 595.8019805271. The cubic root of 354980 is about 70.8056577772.

The spelling of 354980 in words is "three hundred fifty-four thousand, nine hundred eighty".