196257855 has 8 divisors (see below), whose sum is σ = 314012592. Its totient is φ = 104670848.

The previous prime is 196257823. The next prime is 196257863. The reversal of 196257855 is 558752691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196257855 - 2⁵ = 196257823 is a prime.

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, 6541914 + ... + 6541943.

It is an arithmetic number, because the mean of its divisors is an integer number (39251574).

Almost surely, 2^196257855 is an apocalyptic number.

196257855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196257855 is a deficient number, since it is larger than the sum of its proper divisors (117754737).

196257855 is a wasteful number, since it uses less digits than its factorization.

196257855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13083865.

The product of its digits is 756000, while the sum is 48.

The square root of 196257855 is about 14009.2060802888. The cubic root of 196257855 is about 581.1331937791.

The spelling of 196257855 in words is "one hundred ninety-six million, two hundred fifty-seven thousand, eight hundred fifty-five".