195864470 has 16 divisors (see below), whose sum is σ = 353319408. Its totient is φ = 78176160.

The previous prime is 195864469. The next prime is 195864499. The reversal of 195864470 is 74468591.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16301 + ... + 25640.

It is an arithmetic number, because the mean of its divisors is an integer number (22082463).

Almost surely, 2^195864470 is an apocalyptic number.

195864470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195864470 is a deficient number, since it is larger than the sum of its proper divisors (157454938).

195864470 is a wasteful number, since it uses less digits than its factorization.

195864470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42415.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 195864470 is about 13995.1588058157. The cubic root of 195864470 is about 580.7446539245.

The spelling of 195864470 in words is "one hundred ninety-five million, eight hundred sixty-four thousand, four hundred seventy".