86624001 has 6 divisors (see below), whose sum is σ = 125123570. Its totient is φ = 57749328.

The previous prime is 86623949. The next prime is 86624009. The reversal of 86624001 is 10042668.

It can be written as a sum of positive squares in only one way, i.e., 55487601 + 31136400 = 7449^2 + 5580^2 .

It is not a de Polignac number, because 86624001 - 2⁶ = 86623937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86624009) 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 5 ways as a sum of consecutive naturals, for example, 4812436 + ... + 4812453.

Almost surely, 2^86624001 is an apocalyptic number.

It is an amenable number.

86624001 is a deficient number, since it is larger than the sum of its proper divisors (38499569).

86624001 is a wasteful number, since it uses less digits than its factorization.

86624001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624895 (or 9624892 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 86624001 is about 9307.2015665290. The cubic root of 86624001 is about 442.4654995605.

Adding to 86624001 its reverse (10042668), we get a palindrome (96666669).

The spelling of 86624001 in words is "eighty-six million, six hundred twenty-four thousand, one".