2912489 has 4 divisors (see below), whose sum is σ = 2920020. Its totient is φ = 2904960.

The previous prime is 2912479. The next prime is 2912501. The reversal of 2912489 is 9842192.

2912489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1243225 + 1669264 = 1115^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2912489 - 2⁴ = 2912473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2912479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (730005).

2^2912489 is an apocalyptic number.

It is an amenable number.

2912489 is a deficient number, since it is larger than the sum of its proper divisors (7531).

2912489 is an equidigital number, since it uses as much as digits as its factorization.

2912489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530.

The product of its digits is 10368, while the sum is 35.

The square root of 2912489 is about 1706.6015938115. The cubic root of 2912489 is about 142.8087325017.

The spelling of 2912489 in words is "two million, nine hundred twelve thousand, four hundred eighty-nine".