290284992 has 112 divisors (see below), whose sum is σ = 881075200. Its totient is φ = 93623040.

The previous prime is 290284987. The next prime is 290284997. The reversal of 290284992 is 299482092.

It is an interprime number because it is at equal distance from previous prime (290284987) and next prime (290284997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290284997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50859 + ... + 56277.

Almost surely, 2^290284992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290284992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440537600).

290284992 is an abundant number, since it is smaller than the sum of its proper divisors (590790208).

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

290284992 is a wasteful number, since it uses less digits than its factorization.

290284992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 290284992 is about 17037.7519643878. The cubic root of 290284992 is about 662.1273505085.

The spelling of 290284992 in words is "two hundred ninety million, two hundred eighty-four thousand, nine hundred ninety-two".