290492474 has 8 divisors (see below), whose sum is σ = 435887028. Its totient is φ = 145196800.

The previous prime is 290492437. The next prime is 290492519. The reversal of 290492474 is 474294092.

It can be written as a sum of positive squares in 2 ways, for example, as 268468225 + 22024249 = 16385^2 + 4693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 16877 + ... + 29424.

Almost surely, 2^290492474 is an apocalyptic number.

290492474 is a deficient number, since it is larger than the sum of its proper divisors (145394554).

290492474 is a wasteful number, since it uses less digits than its factorization.

290492474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49440.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 290492474 is about 17043.8397669070. The cubic root of 290492474 is about 662.2850653897.

The spelling of 290492474 in words is "two hundred ninety million, four hundred ninety-two thousand, four hundred seventy-four".