290612097 has 32 divisors (see below), whose sum is σ = 446880000. Its totient is φ = 186499584.

The previous prime is 290612089. The next prime is 290612099. The reversal of 290612097 is 790216092.

It is not a de Polignac number, because 290612097 - 2³ = 290612089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290612099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95404 + ... + 98402.

It is an arithmetic number, because the mean of its divisors is an integer number (13965000).

Almost surely, 2^290612097 is an apocalyptic number.

290612097 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

290612097 is a deficient number, since it is larger than the sum of its proper divisors (156267903).

290612097 is a wasteful number, since it uses less digits than its factorization.

290612097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 290612097 is about 17047.3486794868. The cubic root of 290612097 is about 662.3759612089.

The spelling of 290612097 in words is "two hundred ninety million, six hundred twelve thousand, ninety-seven".