2643416 has 8 divisors (see below), whose sum is σ = 4956420. Its totient is φ = 1321704.

The previous prime is 2643397. The next prime is 2643427. The reversal of 2643416 is 6143462.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2³ + 6² + 4⁴ + 3¹³ + 4¹⁰ + 1 + 6³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165206 + ... + 165221.

2^2643416 is an apocalyptic number.

It is an amenable number.

2643416 is a deficient number, since it is larger than the sum of its proper divisors (2313004).

2643416 is a wasteful number, since it uses less digits than its factorization.

2643416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330433 (or 330429 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 2643416 is about 1625.8585424323. The cubic root of 2643416 is about 138.2680500333.

Adding to 2643416 its reverse (6143462), we get a palindrome (8786878).

The spelling of 2643416 in words is "two million, six hundred forty-three thousand, four hundred sixteen".