86734992 has 40 divisors (see below), whose sum is σ = 224494560. Its totient is φ = 28856320.

The previous prime is 86734979. The next prime is 86734997. The reversal of 86734992 is 29943768.

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

It is not an unprimeable number, because it can be changed into a prime (86734997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29359 + ... + 32177.

It is an arithmetic number, because the mean of its divisors is an integer number (5612364).

Almost surely, 2^86734992 is an apocalyptic number.

It is an amenable number.

86734992 is an abundant number, since it is smaller than the sum of its proper divisors (137759568).

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

86734992 is a wasteful number, since it uses less digits than its factorization.

86734992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3465 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 86734992 is about 9313.1622985965. The cubic root of 86734992 is about 442.6543953551.

It can be divided in two parts, 867 and 34992, that multiplied together give a square (30338064 = 5508²).

The spelling of 86734992 in words is "eighty-six million, seven hundred thirty-four thousand, nine hundred ninety-two".