290945404 has 12 divisors (see below), whose sum is σ = 535952200. Its totient is φ = 137816208.

The previous prime is 290945399. The next prime is 290945411. The reversal of 290945404 is 404549092.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914039 + ... + 1914190.

Almost surely, 2^290945404 is an apocalyptic number.

It is an amenable number.

290945404 is a deficient number, since it is larger than the sum of its proper divisors (245006796).

290945404 is a wasteful number, since it uses less digits than its factorization.

290945404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828252 (or 3828250 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 290945404 is about 17057.1217970676. The cubic root of 290945404 is about 662.6290938181.

The spelling of 290945404 in words is "two hundred ninety million, nine hundred forty-five thousand, four hundred four".