86266390 has 16 divisors (see below), whose sum is σ = 177462432. Its totient is φ = 29577024.

The previous prime is 86266379. The next prime is 86266391. The reversal of 86266390 is 9366268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86266391) 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, 616119 + ... + 616258.

It is an arithmetic number, because the mean of its divisors is an integer number (11091402).

Almost surely, 2^86266390 is an apocalyptic number.

86266390 is an abundant number, since it is smaller than the sum of its proper divisors (91196042).

86266390 is a wasteful number, since it uses less digits than its factorization.

86266390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232391.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 86266390 is about 9287.9701765240. The cubic root of 86266390 is about 441.8557810436.

The spelling of 86266390 in words is "eighty-six million, two hundred sixty-six thousand, three hundred ninety".