86890628 has 12 divisors (see below), whose sum is σ = 165882192. Its totient is φ = 39495720.

The previous prime is 86890627. The next prime is 86890631. The reversal of 86890628 is 82609868.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86890627) 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, 987350 + ... + 987437.

It is an arithmetic number, because the mean of its divisors is an integer number (13823516).

Almost surely, 2^86890628 is an apocalyptic number.

It is an amenable number.

86890628 is a deficient number, since it is larger than the sum of its proper divisors (78991564).

86890628 is a wasteful number, since it uses less digits than its factorization.

86890628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974802 (or 1974800 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 86890628 is about 9321.5142546691. The cubic root of 86890628 is about 442.9190013389.

The spelling of 86890628 in words is "eighty-six million, eight hundred ninety thousand, six hundred twenty-eight".