196444881 has 12 divisors (see below), whose sum is σ = 284372608. Its totient is φ = 130677624.

The previous prime is 196444873. The next prime is 196444891. The reversal of 196444881 is 188444691.

196444881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 196444881 - 2³ = 196444873 is a prime.

It is a super-2 number, since 2×196444881² = 77181182542208322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196444841) 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, 19405 + ... + 27738.

Almost surely, 2^196444881 is an apocalyptic number.

It is an amenable number.

196444881 is a deficient number, since it is larger than the sum of its proper divisors (87927727).

196444881 is a wasteful number, since it uses less digits than its factorization.

196444881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47612 (or 47609 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 196444881 is about 14015.8796013664. The cubic root of 196444881 is about 581.3177341807.

The spelling of 196444881 in words is "one hundred ninety-six million, four hundred forty-four thousand, eight hundred eighty-one".