86906406 has 8 divisors (see below), whose sum is σ = 173812824. Its totient is φ = 28968800.

The previous prime is 86906401. The next prime is 86906441. The reversal of 86906406 is 60460968.

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

86906406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86906401) 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, 7242195 + ... + 7242206.

It is an arithmetic number, because the mean of its divisors is an integer number (21726603).

Almost surely, 2^86906406 is an apocalyptic number.

86906406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86906406 is a wasteful number, since it uses less digits than its factorization.

86906406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484406.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 86906406 is about 9322.3605379753. The cubic root of 86906406 is about 442.9458088063.

The spelling of 86906406 in words is "eighty-six million, nine hundred six thousand, four hundred six".