375281604 has 36 divisors (see below), whose sum is σ = 949401180. Its totient is φ = 124992000.

The previous prime is 375281603. The next prime is 375281609. The reversal of 375281604 is 406182573.

375281604 is a `hidden beast` number, since 375 + 281 + 6 + 0 + 4 = 666.

375281604 is digitally balanced in base 3 and base 9, because in such bases 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 117679104 + 257602500 = 10848^2 + 16050^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

375281604 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (375281603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50104 + ... + 57104.

It is an arithmetic number, because the mean of its divisors is an integer number (26372255).

Almost surely, 2^375281604 is an apocalyptic number.

It is an amenable number.

375281604 is an abundant number, since it is smaller than the sum of its proper divisors (574119576).

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

375281604 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 375281604 = (864137520)₉.

375281604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500 (or 8495 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 375281604 is about 19372.1863505388. The cubic root of 375281604 is about 721.3052480989.

The spelling of 375281604 in words is "three hundred seventy-five million, two hundred eighty-one thousand, six hundred four".