86196939 has 32 divisors (see below), whose sum is σ = 129722880. Its totient is φ = 50637312.

The previous prime is 86196937. The next prime is 86196941. The reversal of 86196939 is 93969168.

It is an interprime number because it is at equal distance from previous prime (86196937) and next prime (86196941).

It is not a de Polignac number, because 86196939 - 2¹ = 86196937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86196891 and 86196900.

It is not an unprimeable number, because it can be changed into a prime (86196931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47619 + ... + 49395.

It is an arithmetic number, because the mean of its divisors is an integer number (4053840).

Almost surely, 2^86196939 is an apocalyptic number.

86196939 is a deficient number, since it is larger than the sum of its proper divisors (43525941).

86196939 is a wasteful number, since it uses less digits than its factorization.

86196939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its digits is 629856, while the sum is 51.

The square root of 86196939 is about 9284.2306627959. The cubic root of 86196939 is about 441.7371733805.

The spelling of 86196939 in words is "eighty-six million, one hundred ninety-six thousand, nine hundred thirty-nine".