3149439 has 12 divisors (see below), whose sum is σ = 4279176. Its totient is φ = 2060352.

The previous prime is 3149387. The next prime is 3149441. The reversal of 3149439 is 9349413.

It is not a de Polignac number, because 3149439 - 2¹³ = 3141247 is a prime.

3149439 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149339) 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, 15889 + ... + 16085.

It is an arithmetic number, because the mean of its divisors is an integer number (356598).

Almost surely, 2^3149439 is an apocalyptic number.

3149439 is a deficient number, since it is larger than the sum of its proper divisors (1129737).

3149439 is an equidigital number, since it uses as much as digits as its factorization.

3149439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 273 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 3149439 is about 1774.6658840469. The cubic root of 3149439 is about 146.5810180607.

The spelling of 3149439 in words is "three million, one hundred forty-nine thousand, four hundred thirty-nine".