4139343 has 20 divisors (see below), whose sum is σ = 6660808. Its totient is φ = 2546640.

The previous prime is 4139341. The next prime is 4139351. The reversal of 4139343 is 3439314.

It is not a de Polignac number, because 4139343 - 2¹ = 4139341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 913 + ... + 3018.

Almost surely, 2^4139343 is an apocalyptic number.

4139343 is a deficient number, since it is larger than the sum of its proper divisors (2521465).

4139343 is a wasteful number, since it uses less digits than its factorization.

4139343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956 (or 3947 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 4139343 is about 2034.5375395898. The cubic root of 4139343 is about 160.5623829471.

The spelling of 4139343 in words is "four million, one hundred thirty-nine thousand, three hundred forty-three".