290106974 has 4 divisors (see below), whose sum is σ = 435160464. Its totient is φ = 145053486.

The previous prime is 290106961. The next prime is 290107007. The reversal of 290106974 is 479601092.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72526742 + ... + 72526745.

It is an arithmetic number, because the mean of its divisors is an integer number (108790116).

Almost surely, 2^290106974 is an apocalyptic number.

290106974 is a deficient number, since it is larger than the sum of its proper divisors (145053490).

290106974 is a wasteful number, since it uses less digits than its factorization.

290106974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145053489.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 290106974 is about 17032.5269411206. The cubic root of 290106974 is about 661.9919724111.

The spelling of 290106974 in words is "two hundred ninety million, one hundred six thousand, nine hundred seventy-four".