290797984 has 12 divisors (see below), whose sum is σ = 572508594. Its totient is φ = 145398976.

The previous prime is 290797967. The next prime is 290797987. The reversal of 290797984 is 489797092.

290797984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 159466384 + 131331600 = 12628^2 + 11460^2 .

It is not an unprimeable number, because it can be changed into a prime (290797987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4543687 + ... + 4543750.

Almost surely, 2^290797984 is an apocalyptic number.

It is an amenable number.

290797984 is a deficient number, since it is larger than the sum of its proper divisors (281710610).

290797984 is an equidigital number, since it uses as much as digits as its factorization.

290797984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087447 (or 9087439 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 290797984 is about 17052.7998874085. The cubic root of 290797984 is about 662.5171584022.

The spelling of 290797984 in words is "two hundred ninety million, seven hundred ninety-seven thousand, nine hundred eighty-four".