373990 has 16 divisors (see below), whose sum is σ = 680400. Its totient is φ = 148000.

The previous prime is 373987. The next prime is 373999. The reversal of 373990 is 99373.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2³⁷³⁹⁹⁰ is an apocalyptic number.

373990 is a deficient number, since it is larger than the sum of its proper divisors (306410).

373990 is a wasteful number, since it uses less digits than its factorization.

373990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 373990 is about 611.5472181279. The cubic root of 373990 is about 72.0476793245.

The spelling of 373990 in words is "three hundred seventy-three thousand, nine hundred ninety".