4678431 has 4 divisors (see below), whose sum is σ = 6237912. Its totient is φ = 3118952.

The previous prime is 4678397. The next prime is 4678477. The reversal of 4678431 is 1348764.

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 4678431 - 2⁹ = 4677919 is a prime.

It is a super-2 number, since 2×4678431² = 43775433243522, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4678392 and 4678401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779736 + ... + 779741.

It is an arithmetic number, because the mean of its divisors is an integer number (1559478).

Almost surely, 2^4678431 is an apocalyptic number.

4678431 is a deficient number, since it is larger than the sum of its proper divisors (1559481).

4678431 is a wasteful number, since it uses less digits than its factorization.

4678431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559480.

The product of its digits is 16128, while the sum is 33.

The square root of 4678431 is about 2162.9680996261. The cubic root of 4678431 is about 167.2502373975.

The spelling of 4678431 in words is "four million, six hundred seventy-eight thousand, four hundred thirty-one".