2306404 has 12 divisors (see below), whose sum is σ = 4085424. Its totient is φ = 1139144.

The previous prime is 2306393. The next prime is 2306413. The reversal of 2306404 is 4046032.

It is a super-2 number, since 2×2306404² = 10638998822432, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (340452).

2^2306404 is an apocalyptic number.

It is an amenable number.

2306404 is a deficient number, since it is larger than the sum of its proper divisors (1779020).

2306404 is a wasteful number, since it uses less digits than its factorization.

2306404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2306404 is about 1518.6849574550. The cubic root of 2306404 is about 132.1230105225.

The spelling of 2306404 in words is "two million, three hundred six thousand, four hundred four".