83486091 has 16 divisors (see below), whose sum is σ = 122667776. Its totient is φ = 50180256.

The previous prime is 83486089. The next prime is 83486101. The reversal of 83486091 is 19068438.

It is not a de Polignac number, because 83486091 - 2¹ = 83486089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83486591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23215 + ... + 26568.

It is an arithmetic number, because the mean of its divisors is an integer number (7666736).

Almost surely, 2^83486091 is an apocalyptic number.

83486091 is a deficient number, since it is larger than the sum of its proper divisors (39181685).

83486091 is a wasteful number, since it uses less digits than its factorization.

83486091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49842.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 83486091 is about 9137.0723429335. The cubic root of 83486091 is about 437.0569616816.

The spelling of 83486091 in words is "eighty-three million, four hundred eighty-six thousand, ninety-one".