4430139 has 12 divisors (see below), whose sum is σ = 6871464. Its totient is φ = 2531424.

The previous prime is 4430137. The next prime is 4430143. The reversal of 4430139 is 9310344.

4430139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4430139 - 2¹ = 4430137 is a prime.

It is a super-2 number, since 2×4430139² = 39252263118642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4430137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14922 + ... + 15215.

It is an arithmetic number, because the mean of its divisors is an integer number (572622).

Almost surely, 2^4430139 is an apocalyptic number.

4430139 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4430139 is a deficient number, since it is larger than the sum of its proper divisors (2441325).

4430139 is a wasteful number, since it uses less digits than its factorization.

4430139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30154 (or 30147 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 4430139 is about 2104.7895381724. The cubic root of 4430139 is about 164.2375473880.

The spelling of 4430139 in words is "four million, four hundred thirty thousand, one hundred thirty-nine".