902291 has 12 divisors (see below), whose sum is σ = 1032120. Its totient is φ = 786240.

The previous prime is 902281. The next prime is 902299. The reversal of 902291 is 192209.

902291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 902291 - 2⁶ = 902227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3071 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (86010).

2⁹⁰²²⁹¹ is an apocalyptic number.

902291 is a deficient number, since it is larger than the sum of its proper divisors (129829).

902291 is a wasteful number, since it uses less digits than its factorization.

902291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 902291 is about 949.8899936308. The cubic root of 902291 is about 96.6307926073.

The spelling of 902291 in words is "nine hundred two thousand, two hundred ninety-one".