290421292 has 24 divisors (see below), whose sum is σ = 581605920. Its totient is φ = 124302720.

The previous prime is 290421247. The next prime is 290421293. The reversal of 290421292 is 292124092.

It is not an unprimeable number, because it can be changed into a prime (290421293) 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, 16242 + ... + 29062.

It is an arithmetic number, because the mean of its divisors is an integer number (24233580).

Almost surely, 2^290421292 is an apocalyptic number.

It is an amenable number.

290421292 is an abundant number, since it is smaller than the sum of its proper divisors (291184628).

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

290421292 is a wasteful number, since it uses less digits than its factorization.

290421292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13641 (or 13639 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 290421292 is about 17041.7514358120. The cubic root of 290421292 is about 662.2309657361.

The spelling of 290421292 in words is "two hundred ninety million, four hundred twenty-one thousand, two hundred ninety-two".