290340086 has 16 divisors (see below), whose sum is σ = 454809600. Its totient is φ = 138747048.

The previous prime is 290340077. The next prime is 290340091. The reversal of 290340086 is 680043092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101585 + ... + 104403.

It is an arithmetic number, because the mean of its divisors is an integer number (28425600).

Almost surely, 2^290340086 is an apocalyptic number.

290340086 is a deficient number, since it is larger than the sum of its proper divisors (164469514).

290340086 is a wasteful number, since it uses less digits than its factorization.

290340086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 290340086 is about 17039.3687089634. The cubic root of 290340086 is about 662.1692368588.

The spelling of 290340086 in words is "two hundred ninety million, three hundred forty thousand, eighty-six".