985935994 has 4 divisors (see below), whose sum is σ = 1478903994. Its totient is φ = 492967996.

The previous prime is 985935971. The next prime is 985936013. The reversal of 985935994 is 499539589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 888814969 + 97121025 = 29813^2 + 9855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246483997 + ... + 246484000.

Almost surely, 2^985935994 is an apocalyptic number.

985935994 is a deficient number, since it is larger than the sum of its proper divisors (492968000).

985935994 is a wasteful number, since it uses less digits than its factorization.

985935994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492967999.

The product of its digits is 15746400, while the sum is 61.

The square root of 985935994 is about 31399.6177365267. The cubic root of 985935994 is about 995.2898472939.

The spelling of 985935994 in words is "nine hundred eighty-five million, nine hundred thirty-five thousand, nine hundred ninety-four".