2670489 has 10 divisors (see below), whose sum is σ = 3989370. Its totient is φ = 1780272.

The previous prime is 2670467. The next prime is 2670491. The reversal of 2670489 is 9840762.

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 518400 = 1467^2 + 720^2 .

It is not a de Polignac number, because 2670489 - 2⁵ = 2670457 is a prime.

It is a super-2 number, since 2×2670489² = 14263022998242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2670439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16404 + ... + 16565.

It is an arithmetic number, because the mean of its divisors is an integer number (398937).

2^2670489 is an apocalyptic number.

It is an amenable number.

2670489 is a deficient number, since it is larger than the sum of its proper divisors (1318881).

2670489 is an equidigital number, since it uses as much as digits as its factorization.

2670489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32981 (or 32972 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2670489 is about 1634.1630885563. The cubic root of 2670489 is about 138.7384796863.

Adding to 2670489 its product of nonzero digits (24192), we get a triangular number (2694681 = T₂₃₂₁).

The spelling of 2670489 in words is "two million, six hundred seventy thousand, four hundred eighty-nine".