290988282 has 16 divisors (see below), whose sum is σ = 626744160. Its totient is φ = 89534832.

The previous prime is 290988281. The next prime is 290988331. The reversal of 290988282 is 282889092.

It is a super-2 number, since 2×290988282² = 169348360522623048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290988281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865232 + ... + 1865387.

It is an arithmetic number, because the mean of its divisors is an integer number (39171510).

Almost surely, 2^290988282 is an apocalyptic number.

290988282 is an abundant number, since it is smaller than the sum of its proper divisors (335755878).

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

290988282 is a wasteful number, since it uses less digits than its factorization.

290988282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730637.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 290988282 is about 17058.3786451116. The cubic root of 290988282 is about 662.6616438134.

The spelling of 290988282 in words is "two hundred ninety million, nine hundred eighty-eight thousand, two hundred eighty-two".