2449879 has 4 divisors (see below), whose sum is σ = 2578840. Its totient is φ = 2320920.

The previous prime is 2449877. The next prime is 2449883. The reversal of 2449879 is 9789442.

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

It is a cyclic number.

It is not a de Polignac number, because 2449879 - 2¹ = 2449877 is a prime.

It is a super-2 number, since 2×2449879² = 12003814229282, 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 (2449871) 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, 64452 + ... + 64489.

It is an arithmetic number, because the mean of its divisors is an integer number (644710).

2^2449879 is an apocalyptic number.

2449879 is a deficient number, since it is larger than the sum of its proper divisors (128961).

2449879 is a wasteful number, since it uses less digits than its factorization.

2449879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128960.

The product of its digits is 145152, while the sum is 43.

The square root of 2449879 is about 1565.2089317404. The cubic root of 2449879 is about 134.8077556316.

The spelling of 2449879 in words is "two million, four hundred forty-nine thousand, eight hundred seventy-nine".