373981000 has 32 divisors (see below), whose sum is σ = 875117880. Its totient is φ = 149592000.

The previous prime is 373980961. The next prime is 373981001. The reversal of 373981000 is 189373.

It can be written as a sum of positive squares in 4 ways, for example, as 109788484 + 264192516 = 10478^2 + 16254^2 .

It is a super-2 number, since 2×373981000² = 279723576722000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (373981001) 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, 185991 + ... + 187990.

Almost surely, 2^373981000 is an apocalyptic number.

It is an amenable number.

373981000 is an abundant number, since it is smaller than the sum of its proper divisors (501136880).

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

373981000 is a wasteful number, since it uses less digits than its factorization.

373981000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374002 (or 373988 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 373981000 is about 19338.5883662691. The cubic root of 373981000 is about 720.4710138187.

The spelling of 373981000 in words is "three hundred seventy-three million, nine hundred eighty-one thousand".