2879489 has 4 divisors (see below), whose sum is σ = 2883120. Its totient is φ = 2875860.

The previous prime is 2879479. The next prime is 2879491. The reversal of 2879489 is 9849782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2879489 - 2¹² = 2875393 is a prime.

It is a super-2 number, since 2×2879489² = 16582913802242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2879449) 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, 59 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (720780).

It is a Proth number, since it is equal to 703 ⋅ 2¹² + 1 and 703 < 2¹².

2^2879489 is an apocalyptic number.

It is an amenable number.

2879489 is a deficient number, since it is larger than the sum of its proper divisors (3631).

2879489 is a wasteful number, since it uses less digits than its factorization.

2879489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630.

The product of its digits is 290304, while the sum is 47.

The square root of 2879489 is about 1696.9057133500. The cubic root of 2879489 is about 142.2673169945.

The spelling of 2879489 in words is "two million, eight hundred seventy-nine thousand, four hundred eighty-nine".