985499974 has 4 divisors (see below), whose sum is σ = 1478249964. Its totient is φ = 492749986.

The previous prime is 985499971. The next prime is 985499989. The reversal of 985499974 is 479994589.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985499971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246374992 + ... + 246374995.

It is an arithmetic number, because the mean of its divisors is an integer number (369562491).

Almost surely, 2^985499974 is an apocalyptic number.

985499974 is a deficient number, since it is larger than the sum of its proper divisors (492749990).

985499974 is a wasteful number, since it uses less digits than its factorization.

985499974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492749989.

The product of its digits is 29393280, while the sum is 64.

The square root of 985499974 is about 31392.6738905752. The cubic root of 985499974 is about 995.1431067787.

The spelling of 985499974 in words is "nine hundred eighty-five million, four hundred ninety-nine thousand, nine hundred seventy-four".