870983 has 2 divisors, whose sum is σ = 870984. Its totient is φ = 870982.

The previous prime is 870977. The next prime is 870997. The reversal of 870983 is 389078.

870983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870983 - 2⁴ = 870967 is a prime.

It is a super-2 number, since 2×870983² = 1517222772578, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435491 + 435492.

It is an arithmetic number, because the mean of its divisors is an integer number (435492).

2⁸⁷⁰⁹⁸³ is an apocalyptic number.

870983 is a deficient number, since it is larger than the sum of its proper divisors (1).

870983 is an equidigital number, since it uses as much as digits as its factorization.

870983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 870983 is about 933.2646998574. The cubic root of 870983 is about 95.4999680199.

The spelling of 870983 in words is "eight hundred seventy thousand, nine hundred eighty-three".