404434368 has 84 divisors (see below), whose sum is σ = 1248433368. Its totient is φ = 124439040.

The previous prime is 404434357. The next prime is 404434379. The reversal of 404434368 is 863434404.

It is an interprime number because it is at equal distance from previous prime (404434357) and next prime (404434379).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 19518 + ... + 34493.

It is an arithmetic number, because the mean of its divisors is an integer number (14862302).

Almost surely, 2^404434368 is an apocalyptic number.

404434368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

404434368 is an abundant number, since it is smaller than the sum of its proper divisors (843999000).

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

404434368 is a wasteful number, since it uses less digits than its factorization.

404434368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54042 (or 54029 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 404434368 is about 20110.5536472768. The cubic root of 404434368 is about 739.5190251665.

Adding to 404434368 its sum of digits (36), we get a palindrome (404434404).

The spelling of 404434368 in words is "four hundred four million, four hundred thirty-four thousand, three hundred sixty-eight".