86906408 has 16 divisors (see below), whose sum is σ = 163989780. Its totient is φ = 43175808.

The previous prime is 86906401. The next prime is 86906441. The reversal of 86906408 is 80460968.

It can be written as a sum of positive squares in 2 ways, for example, as 86899684 + 6724 = 9322^2 + 82^2 .

It is not an unprimeable number, because it can be changed into a prime (86906401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33341 + ... + 35852.

Almost surely, 2^86906408 is an apocalyptic number.

It is an amenable number.

86906408 is a deficient number, since it is larger than the sum of its proper divisors (77083372).

86906408 is a wasteful number, since it uses less digits than its factorization.

86906408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69356 (or 69352 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 86906408 is about 9322.3606452443. The cubic root of 86906408 is about 442.9458122042.

The spelling of 86906408 in words is "eighty-six million, nine hundred six thousand, four hundred eight".