321970196 has 12 divisors (see below), whose sum is σ = 565074048. Its totient is φ = 160520472.

The previous prime is 321970193. The next prime is 321970213. The reversal of 321970196 is 691079123.

It is a happy number.

321970196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×321970196² = 207329614224556832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321970193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114596 + ... + 117371.

It is an arithmetic number, because the mean of its divisors is an integer number (47089504).

Almost surely, 2^321970196 is an apocalyptic number.

It is an amenable number.

321970196 is a deficient number, since it is larger than the sum of its proper divisors (243103852).

321970196 is a wasteful number, since it uses less digits than its factorization.

321970196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232318 (or 232316 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 321970196 is about 17943.5279697165. The cubic root of 321970196 is about 685.3912525006.

The spelling of 321970196 in words is "three hundred twenty-one million, nine hundred seventy thousand, one hundred ninety-six".