823970196 has 36 divisors (see below), whose sum is σ = 2380359072. Its totient is φ = 235419984.

The previous prime is 823970183. The next prime is 823970269. The reversal of 823970196 is 691079328.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1634610 + ... + 1635113.

Almost surely, 2^823970196 is an apocalyptic number.

It is an amenable number.

823970196 is an abundant number, since it is smaller than the sum of its proper divisors (1556388876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823970196 is a wasteful number, since it uses less digits than its factorization.

823970196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269740 (or 3269735 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 823970196 is about 28704.8810483513. The cubic root of 823970196 is about 937.4983261837.

The spelling of 823970196 in words is "eight hundred twenty-three million, nine hundred seventy thousand, one hundred ninety-six".