4139941 has 4 divisors (see below), whose sum is σ = 4458412. Its totient is φ = 3821472.

The previous prime is 4139923. The next prime is 4139951. The reversal of 4139941 is 1499314.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2735716 + 1404225 = 1654^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 4139941 - 2⁵ = 4139909 is a prime.

It is a super-2 number, since 2×4139941² = 34278222966962, 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 (4139921) 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, 159216 + ... + 159241.

It is an arithmetic number, because the mean of its divisors is an integer number (1114603).

Almost surely, 2^4139941 is an apocalyptic number.

It is an amenable number.

4139941 is a deficient number, since it is larger than the sum of its proper divisors (318471).

4139941 is a wasteful number, since it uses less digits than its factorization.

4139941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318470.

The product of its digits is 3888, while the sum is 31.

The square root of 4139941 is about 2034.6844964269. The cubic root of 4139941 is about 160.5701145832.

The spelling of 4139941 in words is "four million, one hundred thirty-nine thousand, nine hundred forty-one".