290881352 has 16 divisors (see below), whose sum is σ = 546191100. Its totient is φ = 145230400.

The previous prime is 290881337. The next prime is 290881361. The reversal of 290881352 is 253188092.

It can be written as a sum of positive squares in 2 ways, for example, as 290838916 + 42436 = 17054^2 + 206^2 .

It is a super-2 number, since 2×290881352² = 169223921882695808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20327 + ... + 31542.

Almost surely, 2^290881352 is an apocalyptic number.

It is an amenable number.

290881352 is a deficient number, since it is larger than the sum of its proper divisors (255309748).

290881352 is a wasteful number, since it uses less digits than its factorization.

290881352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52576 (or 52572 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 290881352 is about 17055.2441202112. The cubic root of 290881352 is about 662.5804640372.

The spelling of 290881352 in words is "two hundred ninety million, eight hundred eighty-one thousand, three hundred fifty-two".