2288404 has 24 divisors (see below), whose sum is σ = 4307688. Its totient is φ = 1059840.

The previous prime is 2288399. The next prime is 2288441. The reversal of 2288404 is 4048822.

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 1795600 = 702^2 + 1340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4734 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (179487).

2^2288404 is an apocalyptic number.

It is an amenable number.

2288404 is a deficient number, since it is larger than the sum of its proper divisors (2019284).

2288404 is a wasteful number, since it uses less digits than its factorization.

2288404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2288404 is about 1512.7471698866. The cubic root of 2288404 is about 131.7784007656.

The spelling of 2288404 in words is "two million, two hundred eighty-eight thousand, four hundred four".