86362409 has 4 divisors (see below), whose sum is σ = 98699904. Its totient is φ = 74024916.

The previous prime is 86362399. The next prime is 86362417. The reversal of 86362409 is 90426368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-86362409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86362439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6168737 + ... + 6168750.

It is an arithmetic number, because the mean of its divisors is an integer number (24674976).

Almost surely, 2^86362409 is an apocalyptic number.

It is an amenable number.

86362409 is a deficient number, since it is larger than the sum of its proper divisors (12337495).

86362409 is a wasteful number, since it uses less digits than its factorization.

86362409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12337494.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 86362409 is about 9293.1377370617. The cubic root of 86362409 is about 442.0196564493.

The spelling of 86362409 in words is "eighty-six million, three hundred sixty-two thousand, four hundred nine".