8624401 has 4 divisors (see below), whose sum is σ = 8636992. Its totient is φ = 8611812.

The previous prime is 8624393. The next prime is 8624449. The reversal of 8624401 is 1044268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8624401 - 2³ = 8624393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8624101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5205 + ... + 6658.

It is an arithmetic number, because the mean of its divisors is an integer number (2159248).

Almost surely, 2^8624401 is an apocalyptic number.

It is an amenable number.

8624401 is a deficient number, since it is larger than the sum of its proper divisors (12591).

8624401 is a wasteful number, since it uses less digits than its factorization.

8624401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 8624401 is about 2936.7330488146. The cubic root of 8624401 is about 205.0735488622.

Adding to 8624401 its reverse (1044268), we get a palindrome (9668669).

It can be divided in two parts, 8624 and 401, that added together give a square (9025 = 95²).

The spelling of 8624401 in words is "eight million, six hundred twenty-four thousand, four hundred one".