902987 has 2 divisors, whose sum is σ = 902988. Its totient is φ = 902986.

The previous prime is 902981. The next prime is 903017. The reversal of 902987 is 789209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 902987 - 2⁴ = 902971 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 902987.

It is not a weakly prime, because it can be changed into another prime (902981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451493 + 451494.

It is an arithmetic number, because the mean of its divisors is an integer number (451494).

2⁹⁰²⁹⁸⁷ is an apocalyptic number.

902987 is a deficient number, since it is larger than the sum of its proper divisors (1).

902987 is an equidigital number, since it uses as much as digits as its factorization.

902987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 902987 is about 950.2562812210. The cubic root of 902987 is about 96.6556322456.

The spelling of 902987 in words is "nine hundred two thousand, nine hundred eighty-seven".