196936738 has 48 divisors (see below), whose sum is σ = 335980800. Its totient is φ = 86365440.

The previous prime is 196936693. The next prime is 196936757. The reversal of 196936738 is 837639691.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519433 + ... + 519811.

It is an arithmetic number, because the mean of its divisors is an integer number (6999600).

Almost surely, 2^196936738 is an apocalyptic number.

196936738 is a deficient number, since it is larger than the sum of its proper divisors (139044062).

196936738 is a wasteful number, since it uses less digits than its factorization.

196936738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 458 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 196936738 is about 14033.4150512268. The cubic root of 196936738 is about 581.8024959357.

The spelling of 196936738 in words is "one hundred ninety-six million, nine hundred thirty-six thousand, seven hundred thirty-eight".