404485700 has 72 divisors (see below), whose sum is σ = 904129632. Its totient is φ = 157006080.

The previous prime is 404485639. The next prime is 404485703. The reversal of 404485700 is 7584404.

It is not an unprimeable number, because it can be changed into a prime (404485703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488687 + ... + 489513.

It is an arithmetic number, because the mean of its divisors is an integer number (12557356).

Almost surely, 2^404485700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404485700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452064816).

404485700 is an abundant number, since it is smaller than the sum of its proper divisors (499643932).

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

404485700 is a wasteful number, since it uses less digits than its factorization.

404485700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 404485700 is about 20111.8298521045. The cubic root of 404485700 is about 739.5503111532.

The spelling of 404485700 in words is "four hundred four million, four hundred eighty-five thousand, seven hundred".