290364827 has 2 divisors, whose sum is σ = 290364828. Its totient is φ = 290364826.

The previous prime is 290364803. The next prime is 290364869. The reversal of 290364827 is 728463092.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290364827 - 2²² = 286170523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (290360827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145182413 + 145182414.

It is an arithmetic number, because the mean of its divisors is an integer number (145182414).

Almost surely, 2^290364827 is an apocalyptic number.

290364827 is a deficient number, since it is larger than the sum of its proper divisors (1).

290364827 is an equidigital number, since it uses as much as digits as its factorization.

290364827 is an evil number, because the sum of its binary digits is even.

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

The square root of 290364827 is about 17040.0946887041. The cubic root of 290364827 is about 662.1880449906.

The spelling of 290364827 in words is "two hundred ninety million, three hundred sixty-four thousand, eight hundred twenty-seven".