196884855 has 24 divisors (see below), whose sum is σ = 344653920. Its totient is φ = 103963200.

The previous prime is 196884841. The next prime is 196884889. The reversal of 196884855 is 558488691.

It is a happy number.

It is not a de Polignac number, because 196884855 - 2⁴ = 196884839 is a prime.

It is a super-2 number, since 2×196884855² = 77527292256742050, which contains 22 as substring.

It is a congruent number.

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, 17115 + ... + 26204.

It is an arithmetic number, because the mean of its divisors is an integer number (14360580).

Almost surely, 2^196884855 is an apocalyptic number.

196884855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196884855 is a deficient number, since it is larger than the sum of its proper divisors (147769065).

196884855 is a wasteful number, since it uses less digits than its factorization.

196884855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43431 (or 43428 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 196884855 is about 14031.5663772795. The cubic root of 196884855 is about 581.7513994764.

The spelling of 196884855 in words is "one hundred ninety-six million, eight hundred eighty-four thousand, eight hundred fifty-five".