86307534 has 48 divisors (see below), whose sum is σ = 194613120. Its totient is φ = 27613440.

The previous prime is 86307527. The next prime is 86307541. The reversal of 86307534 is 43570368.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86307527) and next prime (86307541).

It is a super-2 number, since 2×86307534² = 14897980850322312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75882 + ... + 77010.

It is an arithmetic number, because the mean of its divisors is an integer number (4054440).

Almost surely, 2^86307534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86307534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97306560).

86307534 is an abundant number, since it is smaller than the sum of its proper divisors (108305586).

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

86307534 is a wasteful number, since it uses less digits than its factorization.

86307534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 86307534 is about 9290.1848205512. The cubic root of 86307534 is about 441.9260162951.

The spelling of 86307534 in words is "eighty-six million, three hundred seven thousand, five hundred thirty-four".