290852374 has 4 divisors (see below), whose sum is σ = 436278564. Its totient is φ = 145426186.

The previous prime is 290852363. The next prime is 290852381. The reversal of 290852374 is 473258092.

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

It is a super-2 number, since 2×290852374² = 169190206922871752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 72713092 + ... + 72713095.

It is an arithmetic number, because the mean of its divisors is an integer number (109069641).

Almost surely, 2^290852374 is an apocalyptic number.

290852374 is a deficient number, since it is larger than the sum of its proper divisors (145426190).

290852374 is a wasteful number, since it uses less digits than its factorization.

290852374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145426189.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 290852374 is about 17054.3945656244. The cubic root of 290852374 is about 662.5584609144.

The spelling of 290852374 in words is "two hundred ninety million, eight hundred fifty-two thousand, three hundred seventy-four".