8231407 has 4 divisors (see below), whose sum is σ = 8344240. Its totient is φ = 8118576.

The previous prime is 8231393. The next prime is 8231411. The reversal of 8231407 is 7041328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8231407 - 2¹⁵ = 8198639 is a prime.

It is a super-2 number, since 2×8231407² = 135512122399298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56307 + ... + 56452.

It is an arithmetic number, because the mean of its divisors is an integer number (2086060).

Almost surely, 2^8231407 is an apocalyptic number.

8231407 is a deficient number, since it is larger than the sum of its proper divisors (112833).

8231407 is a wasteful number, since it uses less digits than its factorization.

8231407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112832.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8231407 is about 2869.0428717605. The cubic root of 8231407 is about 201.9100913480.

The spelling of 8231407 in words is "eight million, two hundred thirty-one thousand, four hundred seven".