404371476 has 36 divisors (see below), whose sum is σ = 1057410900. Its totient is φ = 130142208.

The previous prime is 404371463. The next prime is 404371489. The reversal of 404371476 is 674173404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404371463) and next prime (404371489).

It can be written as a sum of positive squares in 2 ways, for example, as 166410000 + 237961476 = 12900^2 + 15426^2 .

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).

It is a self number, because there is not a number n which added to its sum of digits gives 404371476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192621 + ... + 194708.

It is an arithmetic number, because the mean of its divisors is an integer number (29372525).

Almost surely, 2^404371476 is an apocalyptic number.

It is an amenable number.

404371476 is an abundant number, since it is smaller than the sum of its proper divisors (653039424).

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

404371476 is a wasteful number, since it uses less digits than its factorization.

404371476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387368 (or 387363 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 404371476 is about 20108.9899298796. The cubic root of 404371476 is about 739.4806899464.

The spelling of 404371476 in words is "four hundred four million, three hundred seventy-one thousand, four hundred seventy-six".