86986090 has 16 divisors (see below), whose sum is σ = 156922920. Its totient is φ = 34717120.

The previous prime is 86986087. The next prime is 86986099. The reversal of 86986090 is 9068968.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82246761 + 4739329 = 9069^2 + 2177^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86986090.

It is not an unprimeable number, because it can be changed into a prime (86986099) 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, 4825 + ... + 14044.

Almost surely, 2^86986090 is an apocalyptic number.

86986090 is a deficient number, since it is larger than the sum of its proper divisors (69936830).

86986090 is a wasteful number, since it uses less digits than its factorization.

86986090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19337.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 86986090 is about 9326.6333690137. The cubic root of 86986090 is about 443.0811456339.

The spelling of 86986090 in words is "eighty-six million, nine hundred eighty-six thousand, ninety".