290382685 has 16 divisors (see below), whose sum is σ = 360769536. Its totient is φ = 224235648.

The previous prime is 290382683. The next prime is 290382689. The reversal of 290382685 is 586283092.

It is a cyclic number.

It is not a de Polignac number, because 290382685 - 2¹ = 290382683 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 (290382683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8692 + ... + 25618.

It is an arithmetic number, because the mean of its divisors is an integer number (22548096).

Almost surely, 2^290382685 is an apocalyptic number.

It is an amenable number.

290382685 is a deficient number, since it is larger than the sum of its proper divisors (70386851).

290382685 is a wasteful number, since it uses less digits than its factorization.

290382685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17052.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 290382685 is about 17040.6186800832. The cubic root of 290382685 is about 662.2016199953.

The spelling of 290382685 in words is "two hundred ninety million, three hundred eighty-two thousand, six hundred eighty-five".