290469012 has 12 divisors (see below), whose sum is σ = 677761056. Its totient is φ = 96823000.

The previous prime is 290468993. The next prime is 290469013. The reversal of 290469012 is 210964092.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×290469012² = 168744493864512288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290469013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12102864 + ... + 12102887.

It is an arithmetic number, because the mean of its divisors is an integer number (56480088).

Almost surely, 2^290469012 is an apocalyptic number.

It is an amenable number.

290469012 is an abundant number, since it is smaller than the sum of its proper divisors (387292044).

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

290469012 is a wasteful number, since it uses less digits than its factorization.

290469012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24205758 (or 24205756 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 290469012 is about 17043.1514691386. The cubic root of 290469012 is about 662.2672348067.

The spelling of 290469012 in words is "two hundred ninety million, four hundred sixty-nine thousand, twelve".