86461309 has 8 divisors (see below), whose sum is σ = 94390560. Its totient is φ = 78543600.

The previous prime is 86461283. The next prime is 86461327. The reversal of 86461309 is 90316468.

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 86461309 - 2⁷ = 86461181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86461369) 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, 22662 + ... + 26200.

It is an arithmetic number, because the mean of its divisors is an integer number (11798820).

Almost surely, 2^86461309 is an apocalyptic number.

It is an amenable number.

86461309 is a deficient number, since it is larger than the sum of its proper divisors (7929251).

86461309 is a wasteful number, since it uses less digits than its factorization.

86461309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 86461309 is about 9298.4573451729. The cubic root of 86461309 is about 442.1883219128.

The spelling of 86461309 in words is "eighty-six million, four hundred sixty-one thousand, three hundred nine".