86804594 has 4 divisors (see below), whose sum is σ = 130206894. Its totient is φ = 43402296.

The previous prime is 86804593. The next prime is 86804611. The reversal of 86804594 is 49540868.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 24631369 = 7885^2 + 4963^2 .

It is not an unprimeable number, because it can be changed into a prime (86804593) 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 as a sum of consecutive naturals, namely, 21701147 + ... + 21701150.

Almost surely, 2^86804594 is an apocalyptic number.

86804594 is a deficient number, since it is larger than the sum of its proper divisors (43402300).

86804594 is a wasteful number, since it uses less digits than its factorization.

86804594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43402299.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 86804594 is about 9316.8983036201. The cubic root of 86804594 is about 442.7727689316.

The spelling of 86804594 in words is "eighty-six million, eight hundred four thousand, five hundred ninety-four".