17970980 has 12 divisors (see below), whose sum is σ = 37739100. Its totient is φ = 7188384.

The previous prime is 17970977. The next prime is 17970991. The reversal of 17970980 is 8907971.

It can be written as a sum of positive squares in 2 ways, for example, as 9339136 + 8631844 = 3056^2 + 2938^2 .

It is a super-2 number, since 2×17970980² = 645912244320800, which contains 22 as substring.

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, 449255 + ... + 449294.

It is an arithmetic number, because the mean of its divisors is an integer number (3144925).

Almost surely, 2^17970980 is an apocalyptic number.

17970980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17970980 is an abundant number, since it is smaller than the sum of its proper divisors (19768120).

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

17970980 is a wasteful number, since it uses less digits than its factorization.

17970980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898558 (or 898556 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 17970980 is about 4239.2192677426. The cubic root of 17970980 is about 261.9332230804.

The spelling of 17970980 in words is "seventeen million, nine hundred seventy thousand, nine hundred eighty".