86406961 has 8 divisors (see below), whose sum is σ = 88705280. Its totient is φ = 84138912.

The previous prime is 86406959. The next prime is 86406977. The reversal of 86406961 is 16960468.

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 86406961 - 2¹ = 86406959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86406941) 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, 1725 + ... + 13258.

It is an arithmetic number, because the mean of its divisors is an integer number (11088160).

Almost surely, 2^86406961 is an apocalyptic number.

It is an amenable number.

86406961 is a deficient number, since it is larger than the sum of its proper divisors (2298319).

86406961 is a wasteful number, since it uses less digits than its factorization.

86406961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15135.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 86406961 is about 9295.5344655377. The cubic root of 86406961 is about 442.0956519917.

The spelling of 86406961 in words is "eighty-six million, four hundred six thousand, nine hundred sixty-one".