993212858 has 16 divisors (see below), whose sum is σ = 1651903200. Its totient is φ = 444058800.

The previous prime is 993212807. The next prime is 993212861. The reversal of 993212858 is 858212399.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368708 + ... + 371391.

It is an arithmetic number, because the mean of its divisors is an integer number (103243950).

Almost surely, 2^993212858 is an apocalyptic number.

993212858 is a deficient number, since it is larger than the sum of its proper divisors (658690342).

993212858 is a wasteful number, since it uses less digits than its factorization.

993212858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740173.

The product of its digits is 311040, while the sum is 47.

The square root of 993212858 is about 31515.2797544302. The cubic root of 993212858 is about 997.7324815798.

The spelling of 993212858 in words is "nine hundred ninety-three million, two hundred twelve thousand, eight hundred fifty-eight".