86289190 has 16 divisors (see below), whose sum is σ = 167268528. Its totient is φ = 31860576.

The previous prime is 86289179. The next prime is 86289191. The reversal of 86289190 is 9198268.

It is a happy number.

It is a super-2 number, since 2×86289190² = 14891648621712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86289191) 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, 331752 + ... + 332011.

It is an arithmetic number, because the mean of its divisors is an integer number (10454283).

Almost surely, 2^86289190 is an apocalyptic number.

86289190 is a deficient number, since it is larger than the sum of its proper divisors (80979338).

86289190 is a wasteful number, since it uses less digits than its factorization.

86289190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663783.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 86289190 is about 9289.1974895574. The cubic root of 86289190 is about 441.8947047557.

The spelling of 86289190 in words is "eighty-six million, two hundred eighty-nine thousand, one hundred ninety".