86253391 has 8 divisors (see below), whose sum is σ = 98741024. Its totient is φ = 73807200.

The previous prime is 86253383. The next prime is 86253421. The reversal of 86253391 is 19335268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86253391 - 2³ = 86253383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86253391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86253301) 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, 5760 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (12342628).

Almost surely, 2^86253391 is an apocalyptic number.

86253391 is a deficient number, since it is larger than the sum of its proper divisors (12487633).

86253391 is a wasteful number, since it uses less digits than its factorization.

86253391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20721.

The product of its digits is 38880, while the sum is 37.

The square root of 86253391 is about 9287.2703740119. The cubic root of 86253391 is about 441.8335863363.

The spelling of 86253391 in words is "eighty-six million, two hundred fifty-three thousand, three hundred ninety-one".