86839146 has 24 divisors (see below), whose sum is σ = 188369220. Its totient is φ = 28912896.

The previous prime is 86839141. The next prime is 86839147. The reversal of 86839146 is 64193868.

It can be written as a sum of positive squares in 2 ways, for example, as 73770921 + 13068225 = 8589^2 + 3615^2 .

It is not an unprimeable number, because it can be changed into a prime (86839141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16986 + ... + 21498.

Almost surely, 2^86839146 is an apocalyptic number.

86839146 is an abundant number, since it is smaller than the sum of its proper divisors (101530074).

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

86839146 is a wasteful number, since it uses less digits than its factorization.

86839146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590 (or 5587 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 86839146 is about 9318.7523843055. The cubic root of 86839146 is about 442.8315087387.

The spelling of 86839146 in words is "eighty-six million, eight hundred thirty-nine thousand, one hundred forty-six".