8404900 has 36 divisors (see below), whose sum is σ = 20845888. Its totient is φ = 2881440.

The previous prime is 8404873. The next prime is 8404901. The reversal of 8404900 is 94048.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8404901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5304 + ... + 6703.

Almost surely, 2^8404900 is an apocalyptic number.

It is an amenable number.

8404900 is an abundant number, since it is smaller than the sum of its proper divisors (12440988).

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

8404900 is a wasteful number, since it uses less digits than its factorization.

8404900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12028 (or 12021 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8404900 is about 2899.1205563067. The cubic root of 8404900 is about 203.3187902047.

Adding to 8404900 its reverse (94048), we get a palindrome (8498948).

The spelling of 8404900 in words is "eight million, four hundred four thousand, nine hundred".