86819404 has 24 divisors (see below), whose sum is σ = 176234240. Its totient is φ = 36652176.

The previous prime is 86819377. The next prime is 86819407. The reversal of 86819404 is 40491868.

It is not an unprimeable number, because it can be changed into a prime (86819407) 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 7 ways as a sum of consecutive naturals, for example, 21264 + ... + 25015.

Almost surely, 2^86819404 is an apocalyptic number.

It is an amenable number.

86819404 is an abundant number, since it is smaller than the sum of its proper divisors (89414836).

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

86819404 is a wasteful number, since it uses less digits than its factorization.

86819404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46357 (or 46355 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 86819404 is about 9317.6930621265. The cubic root of 86819404 is about 442.7979484431.

The spelling of 86819404 in words is "eighty-six million, eight hundred nineteen thousand, four hundred four".