861196383 has 24 divisors (see below), whose sum is σ = 1342804320. Its totient is φ = 530228160.

The previous prime is 861196379. The next prime is 861196411. The reversal of 861196383 is 383691168.

It is a happy number.

861196383 is a `hidden beast` number, since 8 + 6 + 1 + 1 + 9 + 638 + 3 = 666.

It is not a de Polignac number, because 861196383 - 2² = 861196379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861196313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65728 + ... + 77733.

It is an arithmetic number, because the mean of its divisors is an integer number (55950180).

Almost surely, 2^861196383 is an apocalyptic number.

861196383 is a deficient number, since it is larger than the sum of its proper divisors (481607937).

861196383 is a wasteful number, since it uses less digits than its factorization.

861196383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143519 (or 143516 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 861196383 is about 29346.1476688168. The cubic root of 861196383 is about 951.4093147265.

The spelling of 861196383 in words is "eight hundred sixty-one million, one hundred ninety-six thousand, three hundred eighty-three".