86894280 has 96 divisors (see below), whose sum is σ = 308093760. Its totient is φ = 21064320.

The previous prime is 86894261. The next prime is 86894287. The reversal of 86894280 is 8249868.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (86894287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7012 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (3209310).

Almost surely, 2^86894280 is an apocalyptic number.

It is an amenable number.

86894280 is an abundant number, since it is smaller than the sum of its proper divisors (221199480).

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

86894280 is a wasteful number, since it uses less digits than its factorization.

86894280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21971 (or 21964 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 86894280 is about 9321.7101435305. The cubic root of 86894280 is about 442.9252065249.

The spelling of 86894280 in words is "eighty-six million, eight hundred ninety-four thousand, two hundred eighty".