86452444 has 12 divisors (see below), whose sum is σ = 162929704. Its totient is φ = 39901104.

The previous prime is 86452439. The next prime is 86452447. The reversal of 86452444 is 44425468.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86452447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831222 + ... + 831325.

Almost surely, 2^86452444 is an apocalyptic number.

It is an amenable number.

86452444 is a deficient number, since it is larger than the sum of its proper divisors (76477260).

86452444 is a wasteful number, since it uses less digits than its factorization.

86452444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662564 (or 1662562 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 86452444 is about 9297.9806409779. The cubic root of 86452444 is about 442.1732086655.

The spelling of 86452444 in words is "eighty-six million, four hundred fifty-two thousand, four hundred forty-four".