2643459 has 32 divisors (see below), whose sum is σ = 4537344. Its totient is φ = 1330560.

The previous prime is 2643457. The next prime is 2643461. The reversal of 2643459 is 9543462.

It is an interprime number because it is at equal distance from previous prime (2643457) and next prime (2643461).

It is not a de Polignac number, because 2643459 - 2¹ = 2643457 is a prime.

It is a d-powerful number, because it can be written as 2 + 6³ + 4⁴ + 3¹³ + 4¹⁰ + 5 + 9² .

It is not an unprimeable number, because it can be changed into a prime (2643457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6069 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (141792).

2^2643459 is an apocalyptic number.

2643459 is a deficient number, since it is larger than the sum of its proper divisors (1893885).

2643459 is a wasteful number, since it uses less digits than its factorization.

2643459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its digits is 25920, while the sum is 33.

The square root of 2643459 is about 1625.8717661612. The cubic root of 2643459 is about 138.2687997568.

The spelling of 2643459 in words is "two million, six hundred forty-three thousand, four hundred fifty-nine".