196818372 has 36 divisors (see below), whose sum is σ = 497952000. Its totient is φ = 65548272.

The previous prime is 196818371. The next prime is 196818373. The reversal of 196818372 is 273818691.

It is an interprime number because it is at equal distance from previous prime (196818371) and next prime (196818373).

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

It is not an unprimeable number, because it can be changed into a prime (196818371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64129 + ... + 67127.

It is an arithmetic number, because the mean of its divisors is an integer number (13832000).

Almost surely, 2^196818372 is an apocalyptic number.

196818372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196818372 is an abundant number, since it is smaller than the sum of its proper divisors (301133628).

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

196818372 is a wasteful number, since it uses less digits than its factorization.

196818372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832 (or 4827 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 196818372 is about 14029.1971259941. The cubic root of 196818372 is about 581.6859112286.

The spelling of 196818372 in words is "one hundred ninety-six million, eight hundred eighteen thousand, three hundred seventy-two".