86240357 has 16 divisors (see below), whose sum is σ = 102669312. Its totient is φ = 70882560.

The previous prime is 86240353. The next prime is 86240369. The reversal of 86240357 is 75304268.

It is a happy number.

It is not a de Polignac number, because 86240357 - 2² = 86240353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86240351) 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, 22763 + ... + 26279.

It is an arithmetic number, because the mean of its divisors is an integer number (6416832).

Almost surely, 2^86240357 is an apocalyptic number.

It is an amenable number.

86240357 is a deficient number, since it is larger than the sum of its proper divisors (16428955).

86240357 is a wasteful number, since it uses less digits than its factorization.

86240357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 86240357 is about 9286.5686343234. The cubic root of 86240357 is about 441.8113296304.

The spelling of 86240357 in words is "eighty-six million, two hundred forty thousand, three hundred fifty-seven".