404231488 has 14 divisors (see below), whose sum is σ = 802146986. Its totient is φ = 202115712.

The previous prime is 404231473. The next prime is 404231489. The reversal of 404231488 is 884132404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 273174784 + 131056704 = 16528^2 + 11448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404231489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157995 + ... + 3158122.

Almost surely, 2^404231488 is an apocalyptic number.

It is an amenable number.

404231488 is a deficient number, since it is larger than the sum of its proper divisors (397915498).

404231488 is an equidigital number, since it uses as much as digits as its factorization.

404231488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316129 (or 6316119 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 404231488 is about 20105.5088968173. The cubic root of 404231488 is about 739.3953473206.

The spelling of 404231488 in words is "four hundred four million, two hundred thirty-one thousand, four hundred eighty-eight".