2619868 has 6 divisors (see below), whose sum is σ = 4584776. Its totient is φ = 1309932.

The previous prime is 2619857. The next prime is 2619871. The reversal of 2619868 is 8689162.

It is a self number, because there is not a number n which added to its sum of digits gives 2619868.

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, 327480 + ... + 327487.

2^2619868 is an apocalyptic number.

It is an amenable number.

2619868 is a deficient number, since it is larger than the sum of its proper divisors (1964908).

2619868 is a wasteful number, since it uses less digits than its factorization.

2619868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654971 (or 654969 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 2619868 is about 1618.6006301741. The cubic root of 2619868 is about 137.8562530352.

The spelling of 2619868 in words is "two million, six hundred nineteen thousand, eight hundred sixty-eight".