8672431 has 8 divisors (see below), whose sum is σ = 9334224. Its totient is φ = 8027520.

The previous prime is 8672429. The next prime is 8672441. The reversal of 8672431 is 1342768.

8672431 = T₂₄₀₃ + T₂₄₀₄ + T₂₄₀₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8672431 - 2¹ = 8672429 is a prime.

It is a super-2 number, since 2×8672431² = 150422118899522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8672393 and 8672402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672441) 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 7 ways as a sum of consecutive naturals, for example, 3145 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (1166778).

Almost surely, 2^8672431 is an apocalyptic number.

8672431 is the 2405-th centered triangular number.

8672431 is a deficient number, since it is larger than the sum of its proper divisors (661793).

8672431 is a wasteful number, since it uses less digits than its factorization.

8672431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441.

The product of its digits is 8064, while the sum is 31.

The square root of 8672431 is about 2944.8991493768. The cubic root of 8672431 is about 205.4535348403.

The spelling of 8672431 in words is "eight million, six hundred seventy-two thousand, four hundred thirty-one".