8672399 has 4 divisors (see below), whose sum is σ = 8678880. Its totient is φ = 8665920.

The previous prime is 8672387. The next prime is 8672407. The reversal of 8672399 is 9932768.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8672399 - 2¹⁶ = 8606863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672099) 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, 407 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^8672399 is an apocalyptic number.

8672399 is a deficient number, since it is larger than the sum of its proper divisors (6481).

8672399 is a wasteful number, since it uses less digits than its factorization.

8672399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480.

The product of its digits is 163296, while the sum is 44.

The square root of 8672399 is about 2944.8937162485. The cubic root of 8672399 is about 205.4532821422.

The spelling of 8672399 in words is "eight million, six hundred seventy-two thousand, three hundred ninety-nine".