86516934 has 16 divisors (see below), whose sum is σ = 197753088. Its totient is φ = 24719112.

The previous prime is 86516923. The next prime is 86516957. The reversal of 86516934 is 43961568.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2059927 = 86516934 / (8 + 6 + 5 + 1 + 6 + 9 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029922 + ... + 1030005.

It is an arithmetic number, because the mean of its divisors is an integer number (12359568).

Almost surely, 2^86516934 is an apocalyptic number.

86516934 is an abundant number, since it is smaller than the sum of its proper divisors (111236154).

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

86516934 is a wasteful number, since it uses less digits than its factorization.

86516934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059939.

The product of its digits is 155520, while the sum is 42.

The square root of 86516934 is about 9301.4479517976. The cubic root of 86516934 is about 442.2831290692.

The spelling of 86516934 in words is "eighty-six million, five hundred sixteen thousand, nine hundred thirty-four".