2643258 has 8 divisors (see below), whose sum is σ = 5286528. Its totient is φ = 881084.

The previous prime is 2643247. The next prime is 2643283. The reversal of 2643258 is 8523462.

It is a sphenic number, since it is the product of 3 distinct primes.

2643258 is an admirable number.

It is a d-powerful number, because it can be written as 2⁸ + 6 + 4³ + 3¹³ + 2²⁰ + 5² + 8 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220266 + ... + 220277.

It is an arithmetic number, because the mean of its divisors is an integer number (660816).

2^2643258 is an apocalyptic number.

2643258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2643258 is a wasteful number, since it uses less digits than its factorization.

2643258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440548.

The product of its digits is 11520, while the sum is 30.

The square root of 2643258 is about 1625.8099519932. The cubic root of 2643258 is about 138.2652951652.

The spelling of 2643258 in words is "two million, six hundred forty-three thousand, two hundred fifty-eight".