290538416 has 20 divisors (see below), whose sum is σ = 643335312. Its totient is φ = 124516416.

The previous prime is 290538389. The next prime is 290538427. The reversal of 290538416 is 614835092.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 290538416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296935 + ... + 1297158.

Almost surely, 2^290538416 is an apocalyptic number.

It is an amenable number.

290538416 is an abundant number, since it is smaller than the sum of its proper divisors (352796896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290538416 is a wasteful number, since it uses less digits than its factorization.

290538416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594108 (or 2594102 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 290538416 is about 17045.1874733017. The cubic root of 290538416 is about 662.3199774779.

The spelling of 290538416 in words is "two hundred ninety million, five hundred thirty-eight thousand, four hundred sixteen".