375638420 has 12 divisors (see below), whose sum is σ = 788840724. Its totient is φ = 150255360.

The previous prime is 375638399. The next prime is 375638449. The reversal of 375638420 is 24836573.

375638420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 102860164 + 272778256 = 10142^2 + 16516^2 .

It is a super-2 number, since 2×375638420² = 282208445160192800, which contains 22 as substring.

It is a congruent number.

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, 9390941 + ... + 9390980.

It is an arithmetic number, because the mean of its divisors is an integer number (65736727).

Almost surely, 2^375638420 is an apocalyptic number.

It is an amenable number.

375638420 is an abundant number, since it is smaller than the sum of its proper divisors (413202304).

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

375638420 is a wasteful number, since it uses less digits than its factorization.

375638420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781930 (or 18781928 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 375638420 is about 19381.3936547401. The cubic root of 375638420 is about 721.5337802412.

The spelling of 375638420 in words is "three hundred seventy-five million, six hundred thirty-eight thousand, four hundred twenty".