404323124 has 24 divisors (see below), whose sum is σ = 727964328. Its totient is φ = 196352640.

The previous prime is 404323123. The next prime is 404323151. The reversal of 404323124 is 421323404.

It can be written as a sum of positive squares in 4 ways, for example, as 249071524 + 155251600 = 15782^2 + 12460^2 .

It is a super-2 number, since 2×404323124² = 326954377202238752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404323124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404323123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95762 + ... + 99894.

It is an arithmetic number, because the mean of its divisors is an integer number (30331847).

Almost surely, 2^404323124 is an apocalyptic number.

It is an amenable number.

404323124 is a deficient number, since it is larger than the sum of its proper divisors (323641204).

404323124 is a wasteful number, since it uses less digits than its factorization.

404323124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835 (or 4833 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 404323124 is about 20107.7876455865. The cubic root of 404323124 is about 739.4512147421.

Adding to 404323124 its reverse (421323404), we get a palindrome (825646528).

The spelling of 404323124 in words is "four hundred four million, three hundred twenty-three thousand, one hundred twenty-four".