857960196 has 12 divisors (see below), whose sum is σ = 2001907152. Its totient is φ = 285986728.

The previous prime is 857960189. The next prime is 857960203. The reversal of 857960196 is 691069758.

It is an interprime number because it is at equal distance from previous prime (857960189) and next prime (857960203).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 35748330 + ... + 35748353.

It is an arithmetic number, because the mean of its divisors is an integer number (166825596).

Almost surely, 2^857960196 is an apocalyptic number.

It is an amenable number.

857960196 is an abundant number, since it is smaller than the sum of its proper divisors (1143946956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

857960196 is a wasteful number, since it uses less digits than its factorization.

857960196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71496690 (or 71496688 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 857960196 is about 29290.9575807962. The cubic root of 857960196 is about 950.2160897174.

The spelling of 857960196 in words is "eight hundred fifty-seven million, nine hundred sixty thousand, one hundred ninety-six".