290692427 has 12 divisors (see below), whose sum is σ = 300734280. Its totient is φ = 280832832.

The previous prime is 290692421. The next prime is 290692447. The reversal of 290692427 is 724296092.

It is not a de Polignac number, because 290692427 - 2²² = 286498123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290692421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510599 + ... + 511167.

It is an arithmetic number, because the mean of its divisors is an integer number (25061190).

Almost surely, 2^290692427 is an apocalyptic number.

290692427 is a deficient number, since it is larger than the sum of its proper divisors (10041853).

290692427 is an equidigital number, since it uses as much as digits as its factorization.

290692427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 290692427 is about 17049.7046015466. The cubic root of 290692427 is about 662.4369861509.

The spelling of 290692427 in words is "two hundred ninety million, six hundred ninety-two thousand, four hundred twenty-seven".