290425626 has 24 divisors (see below), whose sum is σ = 629609760. Its totient is φ = 96754056.

The previous prime is 290425613. The next prime is 290425631. The reversal of 290425626 is 626524092.

290425626 is a `hidden beast` number, since 2 + 9 + 0 + 4 + 25 + 626 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40285 + ... + 46943.

It is an arithmetic number, because the mean of its divisors is an integer number (26233740).

Almost surely, 2^290425626 is an apocalyptic number.

290425626 is an abundant number, since it is smaller than the sum of its proper divisors (339184134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290425626 is a wasteful number, since it uses less digits than its factorization.

290425626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090 (or 9087 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 290425626 is about 17041.8785936293. The cubic root of 290425626 is about 662.2342599100.

The spelling of 290425626 in words is "two hundred ninety million, four hundred twenty-five thousand, six hundred twenty-six".