2449139 has 16 divisors (see below), whose sum is σ = 3234816. Its totient is φ = 1795200.

The previous prime is 2449133. The next prime is 2449147. The reversal of 2449139 is 9319442.

It is a happy number.

It is not a de Polignac number, because 2449139 - 2⁸ = 2448883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2449133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (202176).

2^2449139 is an apocalyptic number.

2449139 is a deficient number, since it is larger than the sum of its proper divisors (785677).

2449139 is a wasteful number, since it uses less digits than its factorization.

2449139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906.

The product of its digits is 7776, while the sum is 32.

The square root of 2449139 is about 1564.9725237205. The cubic root of 2449139 is about 134.7941811129.

The spelling of 2449139 in words is "two million, four hundred forty-nine thousand, one hundred thirty-nine".