290793868 has 6 divisors (see below), whose sum is σ = 508889276. Its totient is φ = 145396932.

The previous prime is 290793863. The next prime is 290793887. The reversal of 290793868 is 868397092.

It is a super-2 number, since 2×290793868² = 169122147332802848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290793863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36349230 + ... + 36349237.

Almost surely, 2^290793868 is an apocalyptic number.

It is an amenable number.

290793868 is a deficient number, since it is larger than the sum of its proper divisors (218095408).

290793868 is a wasteful number, since it uses less digits than its factorization.

290793868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72698471 (or 72698469 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 290793868 is about 17052.6792029874. The cubic root of 290793868 is about 662.5140325970.

The spelling of 290793868 in words is "two hundred ninety million, seven hundred ninety-three thousand, eight hundred sixty-eight".