86946138 has 24 divisors (see below), whose sum is σ = 188555328. Its totient is φ = 28955592.

The previous prime is 86946113. The next prime is 86946151. The reversal of 86946138 is 83164968.

It is a junction number, because it is equal to n+sod(n) for n = 86946093 and 86946102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35295 + ... + 37677.

It is an arithmetic number, because the mean of its divisors is an integer number (7856472).

Almost surely, 2^86946138 is an apocalyptic number.

86946138 is an abundant number, since it is smaller than the sum of its proper divisors (101609190).

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

86946138 is a wasteful number, since it uses less digits than its factorization.

86946138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418 (or 4415 counting only the distinct ones).

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

The square root of 86946138 is about 9324.4912997975. The cubic root of 86946138 is about 443.0133007300.

The spelling of 86946138 in words is "eighty-six million, nine hundred forty-six thousand, one hundred thirty-eight".