404213352 has 32 divisors (see below), whose sum is σ = 1069977600. Its totient is φ = 126811904.

The previous prime is 404213323. The next prime is 404213393. The reversal of 404213352 is 253312404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494952 + ... + 495767.

It is an arithmetic number, because the mean of its divisors is an integer number (33436800).

Almost surely, 2^404213352 is an apocalyptic number.

It is an amenable number.

404213352 is an abundant number, since it is smaller than the sum of its proper divisors (665764248).

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

404213352 is a wasteful number, since it uses less digits than its factorization.

404213352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990745 (or 990741 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 404213352 is about 20105.0578710930. The cubic root of 404213352 is about 739.3842894037.

Adding to 404213352 its reverse (253312404), we get a palindrome (657525756).

The spelling of 404213352 in words is "four hundred four million, two hundred thirteen thousand, three hundred fifty-two".