902889 has 12 divisors (see below), whose sum is σ = 1404676. Its totient is φ = 555552.

The previous prime is 902873. The next prime is 902903. The reversal of 902889 is 988209.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 627264 = 525^2 + 792^2 .

It is not a de Polignac number, because 902889 - 2⁴ = 902873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (902849) 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, 3742 + ... + 3975.

2⁹⁰²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

902889 is a deficient number, since it is larger than the sum of its proper divisors (501787).

902889 is a wasteful number, since it uses less digits than its factorization.

902889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736 (or 7733 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 902889 is about 950.2047147852. The cubic root of 902889 is about 96.6521354825.

The spelling of 902889 in words is "nine hundred two thousand, eight hundred eighty-nine".