290369361 has 4 divisors (see below), whose sum is σ = 387159152. Its totient is φ = 193579572.

The previous prime is 290369347. The next prime is 290369369. The reversal of 290369361 is 163963092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 290369361 - 2⁵ = 290369329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (290369369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48394891 + ... + 48394896.

It is an arithmetic number, because the mean of its divisors is an integer number (96789788).

Almost surely, 2^290369361 is an apocalyptic number.

It is an amenable number.

290369361 is a deficient number, since it is larger than the sum of its proper divisors (96789791).

290369361 is an equidigital number, since it uses as much as digits as its factorization.

290369361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96789790.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 290369361 is about 17040.2277273515. The cubic root of 290369361 is about 662.1914916259.

The spelling of 290369361 in words is "two hundred ninety million, three hundred sixty-nine thousand, three hundred sixty-one".