86398842 has 16 divisors (see below), whose sum is σ = 173959200. Its totient is φ = 28606032.

The previous prime is 86398841. The next prime is 86398847. The reversal of 86398842 is 24889368.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86398791 and 86398800.

It is not an unprimeable number, because it can be changed into a prime (86398841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47428 + ... + 49215.

It is an arithmetic number, because the mean of its divisors is an integer number (10872450).

Almost surely, 2^86398842 is an apocalyptic number.

86398842 is an abundant number, since it is smaller than the sum of its proper divisors (87560358).

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

86398842 is a wasteful number, since it uses less digits than its factorization.

86398842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96797.

The product of its digits is 663552, while the sum is 48.

The square root of 86398842 is about 9295.0977402069. The cubic root of 86398842 is about 442.0818047778.

The spelling of 86398842 in words is "eighty-six million, three hundred ninety-eight thousand, eight hundred forty-two".