86894320 has 20 divisors (see below), whose sum is σ = 202029480. Its totient is φ = 34757696.

The previous prime is 86894303. The next prime is 86894323. The reversal of 86894320 is 2349868.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86894323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543010 + ... + 543169.

It is an arithmetic number, because the mean of its divisors is an integer number (10101474).

Almost surely, 2^86894320 is an apocalyptic number.

86894320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86894320 is an abundant number, since it is smaller than the sum of its proper divisors (115135160).

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

86894320 is a wasteful number, since it uses less digits than its factorization.

86894320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086192 (or 1086186 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 86894320 is about 9321.7122890593. The cubic root of 86894320 is about 442.9252744887.

The spelling of 86894320 in words is "eighty-six million, eight hundred ninety-four thousand, three hundred twenty".