195976828 has 12 divisors (see below), whose sum is σ = 349430760. Its totient is φ = 96139472.

The previous prime is 195976789. The next prime is 195976831. The reversal of 195976828 is 828679591.

It is a super-2 number, since 2×195976828² = 76813834225883168, 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 3 ways as a sum of consecutive naturals, for example, 461998 + ... + 462421.

It is an arithmetic number, because the mean of its divisors is an integer number (29119230).

Almost surely, 2^195976828 is an apocalyptic number.

It is an amenable number.

195976828 is a deficient number, since it is larger than the sum of its proper divisors (153453932).

195976828 is a wasteful number, since it uses less digits than its factorization.

195976828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924476 (or 924474 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 55.

The square root of 195976828 is about 13999.1724041102. The cubic root of 195976828 is about 580.8556810965.

It can be divided in two parts, 1959 and 76828, that added together give a palindrome (78787).

The spelling of 195976828 in words is "one hundred ninety-five million, nine hundred seventy-six thousand, eight hundred twenty-eight".