86739456 has 80 divisors (see below), whose sum is σ = 233244000. Its totient is φ = 28643328.

The previous prime is 86739421. The next prime is 86739461. The reversal of 86739456 is 65493768.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 228675 + ... + 229053.

It is an arithmetic number, because the mean of its divisors is an integer number (2915550).

Almost surely, 2^86739456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86739456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116622000).

86739456 is an abundant number, since it is smaller than the sum of its proper divisors (146504544).

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

86739456 is a wasteful number, since it uses less digits than its factorization.

86739456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 533 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 86739456 is about 9313.4019563208. The cubic root of 86739456 is about 442.6619892733.

The spelling of 86739456 in words is "eighty-six million, seven hundred thirty-nine thousand, four hundred fifty-six".