2039489 has 4 divisors (see below), whose sum is σ = 2042820. Its totient is φ = 2036160.

The previous prime is 2039467. The next prime is 2039491. The reversal of 2039489 is 9849302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9849302 = 2 ⋅4924651.

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 1345600 = 833^2 + 1160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2039489 is a prime.

It is a super-2 number, since 2×2039489² = 8319030762242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039789) 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, 452 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (510705).

2^2039489 is an apocalyptic number.

It is an amenable number.

2039489 is a deficient number, since it is larger than the sum of its proper divisors (3331).

2039489 is an equidigital number, since it uses as much as digits as its factorization.

2039489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2039489 is about 1428.1067887241. The cubic root of 2039489 is about 126.8159236239.

The spelling of 2039489 in words is "two million, thirty-nine thousand, four hundred eighty-nine".