4406139 has 6 divisors (see below), whose sum is σ = 6364436. Its totient is φ = 2937420.

The previous prime is 4406099. The next prime is 4406141. The reversal of 4406139 is 9316044.

4406139 is a `hidden beast` number, since 4 + 40 + 613 + 9 = 666.

It is not a de Polignac number, because 4406139 - 2¹² = 4402043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4406159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244777 + ... + 244794.

Almost surely, 2^4406139 is an apocalyptic number.

4406139 is a deficient number, since it is larger than the sum of its proper divisors (1958297).

4406139 is a wasteful number, since it uses less digits than its factorization.

4406139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489577 (or 489574 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4406139 is about 2099.0805129866. The cubic root of 4406139 is about 163.9404279966.

It can be divided in two parts, 44061 and 39, that added together give a square (44100 = 210²).

The spelling of 4406139 in words is "four million, four hundred six thousand, one hundred thirty-nine".