985934623 has 2 divisors, whose sum is σ = 985934624. Its totient is φ = 985934622.

The previous prime is 985934591. The next prime is 985934627. The reversal of 985934623 is 326439589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985934623 - 2⁵ = 985934591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985934627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492967311 + 492967312.

It is an arithmetic number, because the mean of its divisors is an integer number (492967312).

Almost surely, 2^985934623 is an apocalyptic number.

985934623 is a deficient number, since it is larger than the sum of its proper divisors (1).

985934623 is an equidigital number, since it uses as much as digits as its factorization.

985934623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 49.

The square root of 985934623 is about 31399.5959050431. The cubic root of 985934623 is about 995.2893859580.

The spelling of 985934623 in words is "nine hundred eighty-five million, nine hundred thirty-four thousand, six hundred twenty-three".