4345431 has 4 divisors (see below), whose sum is σ = 5793912. Its totient is φ = 2896952.

The previous prime is 4345427. The next prime is 4345463. The reversal of 4345431 is 1345434.

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 4345431 - 2² = 4345427 is a prime.

It is a super-2 number, since 2×4345431² = 37765541151522, which contains 22 as substring.

It is a D-number.

4345431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345031) 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 3 ways as a sum of consecutive naturals, for example, 724236 + ... + 724241.

It is an arithmetic number, because the mean of its divisors is an integer number (1448478).

Almost surely, 2^4345431 is an apocalyptic number.

4345431 is a deficient number, since it is larger than the sum of its proper divisors (1448481).

4345431 is a wasteful number, since it uses less digits than its factorization.

4345431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448480.

The product of its digits is 2880, while the sum is 24.

The square root of 4345431 is about 2084.5697397785. The cubic root of 4345431 is about 163.1840169012.

The spelling of 4345431 in words is "four million, three hundred forty-five thousand, four hundred thirty-one".