993426670 has 16 divisors (see below), whose sum is σ = 1791277488. Its totient is φ = 396679680.

The previous prime is 993426617. The next prime is 993426673. The reversal of 993426670 is 76624399.

It is a self number, because there is not a number n which added to its sum of digits gives 993426670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993426673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80316 + ... + 91855.

It is an arithmetic number, because the mean of its divisors is an integer number (111954843).

Almost surely, 2^993426670 is an apocalyptic number.

993426670 is a deficient number, since it is larger than the sum of its proper divisors (797850818).

993426670 is a wasteful number, since it uses less digits than its factorization.

993426670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172755.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 993426670 is about 31518.6717676999. The cubic root of 993426670 is about 997.8040714274.

The spelling of 993426670 in words is "nine hundred ninety-three million, four hundred twenty-six thousand, six hundred seventy".