2390408 has 8 divisors (see below), whose sum is σ = 4482030. Its totient is φ = 1195200.

The previous prime is 2390389. The next prime is 2390411. The reversal of 2390408 is 8040932.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 24964 = 1538^2 + 158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149393 + ... + 149408.

2^2390408 is an apocalyptic number.

It is an amenable number.

2390408 is a deficient number, since it is larger than the sum of its proper divisors (2091622).

2390408 is a wasteful number, since it uses less digits than its factorization.

2390408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298807 (or 298803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2390408 is about 1546.0944343733. The cubic root of 2390408 is about 133.7079851729.

The spelling of 2390408 in words is "two million, three hundred ninety thousand, four hundred eight".