404396124 has 24 divisors (see below), whose sum is σ = 1029372288. Its totient is φ = 122544240.

The previous prime is 404396117. The next prime is 404396137. The reversal of 404396124 is 421693404.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 1531672 + ... + 1531935.

It is an arithmetic number, because the mean of its divisors is an integer number (42890512).

Almost surely, 2^404396124 is an apocalyptic number.

404396124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404396124 is an abundant number, since it is smaller than the sum of its proper divisors (624976164).

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

404396124 is a wasteful number, since it uses less digits than its factorization.

404396124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063625 (or 3063623 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 404396124 is about 20109.6027807612. The cubic root of 404396124 is about 739.4957143739.

The spelling of 404396124 in words is "four hundred four million, three hundred ninety-six thousand, one hundred twenty-four".