86959494 has 60 divisors (see below), whose sum is σ = 199907004. Its totient is φ = 28369764.

The previous prime is 86959463. The next prime is 86959507. The reversal of 86959494 is 49495968.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 86959494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1850179 + ... + 1850225.

Almost surely, 2^86959494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86959494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99953502).

86959494 is an abundant number, since it is smaller than the sum of its proper divisors (112947510).

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

86959494 is an frugal number, since it uses more digits than its factorization.

86959494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 52 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 86959494 is about 9325.2074507756. The cubic root of 86959494 is about 443.0359836723.

Multiplying 86959494 by its sum of digits (54), we get a square (4695812676 = 68526²).

86959494 divided by its sum of digits (54) gives a square (1610361 = 1269²).

The spelling of 86959494 in words is "eighty-six million, nine hundred fifty-nine thousand, four hundred ninety-four".