4331399 has 4 divisors (see below), whose sum is σ = 4358136. Its totient is φ = 4304664.

The previous prime is 4331389. The next prime is 4331417. The reversal of 4331399 is 9931334.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4331399 is a prime.

It is a super-2 number, since 2×4331399² = 37522034594402, 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 (4331339) 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, 13124 + ... + 13449.

It is an arithmetic number, because the mean of its divisors is an integer number (1089534).

Almost surely, 2^4331399 is an apocalyptic number.

4331399 is a deficient number, since it is larger than the sum of its proper divisors (26737).

4331399 is a wasteful number, since it uses less digits than its factorization.

4331399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26736.

The product of its digits is 8748, while the sum is 32.

The square root of 4331399 is about 2081.2013357674. The cubic root of 4331399 is about 163.0081795486.

The spelling of 4331399 in words is "four million, three hundred thirty-one thousand, three hundred ninety-nine".