290961082 has 8 divisors (see below), whose sum is σ = 437737716. Its totient is φ = 145048512.

The previous prime is 290961061. The next prime is 290961163. The reversal of 290961082 is 280169092.

It can be written as a sum of positive squares in 2 ways, for example, as 290668401 + 292681 = 17049^2 + 541^2 .

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

It is a super-2 number, since 2×290961082² = 169316702477221448, which contains 22 as substring.

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, 215173 + ... + 216520.

Almost surely, 2^290961082 is an apocalyptic number.

290961082 is a deficient number, since it is larger than the sum of its proper divisors (146776634).

290961082 is a wasteful number, since it uses less digits than its factorization.

290961082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432032.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 290961082 is about 17057.5813643084. The cubic root of 290961082 is about 662.6409958361.

The spelling of 290961082 in words is "two hundred ninety million, nine hundred sixty-one thousand, eighty-two".