993190870 has 32 divisors (see below), whose sum is σ = 2045491200. Its totient is φ = 340130016.

The previous prime is 993190859. The next prime is 993190871. The reversal of 993190870 is 78091399.

It is a self number, because there is not a number n which added to its sum of digits gives 993190870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993190871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56611 + ... + 72049.

It is an arithmetic number, because the mean of its divisors is an integer number (63921600).

Almost surely, 2^993190870 is an apocalyptic number.

993190870 is the 25732-nd pentagonal number.

993190870 is an abundant number, since it is smaller than the sum of its proper divisors (1052300330).

993190870 is a wasteful number, since it uses less digits than its factorization.

993190870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16372.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 993190870 is about 31514.9309058421. The cubic root of 993190870 is about 997.7251188399.

The spelling of 993190870 in words is "nine hundred ninety-three million, one hundred ninety thousand, eight hundred seventy".