290065332 has 24 divisors (see below), whose sum is σ = 677678400. Its totient is φ = 96565696.

The previous prime is 290065331. The next prime is 290065387. The reversal of 290065332 is 233560092.

It is a self number, because there is not a number n which added to its sum of digits gives 290065332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290065331) 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, 5232 + ... + 24647.

It is an arithmetic number, because the mean of its divisors is an integer number (28236600).

Almost surely, 2^290065332 is an apocalyptic number.

It is an amenable number.

290065332 is an abundant number, since it is smaller than the sum of its proper divisors (387613068).

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

290065332 is a wasteful number, since it uses less digits than its factorization.

290065332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30695 (or 30693 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 290065332 is about 17031.3044714725. The cubic root of 290065332 is about 661.9602967521.

The spelling of 290065332 in words is "two hundred ninety million, sixty-five thousand, three hundred thirty-two".