2308404 has 24 divisors (see below), whose sum is σ = 6155968. Its totient is φ = 659520.

The previous prime is 2308403. The next prime is 2308417. The reversal of 2308404 is 4048032.

It is a happy number.

2308404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308403) 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, 13657 + ... + 13824.

2^2308404 is an apocalyptic number.

It is an amenable number.

2308404 is an abundant number, since it is smaller than the sum of its proper divisors (3847564).

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

2308404 is a wasteful number, since it uses less digits than its factorization.

2308404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27495 (or 27493 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2308404 is about 1519.3432791835. The cubic root of 2308404 is about 132.1611896789.

The spelling of 2308404 in words is "two million, three hundred eight thousand, four hundred four".