2819968 has 16 divisors (see below), whose sum is σ = 5618160. Its totient is φ = 1409920.

The previous prime is 2819959. The next prime is 2819981. The reversal of 2819968 is 8699182.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

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, 10888 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (351135).

2^2819968 is an apocalyptic number.

It is an amenable number.

2819968 is a deficient number, since it is larger than the sum of its proper divisors (2798192).

2819968 is an equidigital number, since it uses as much as digits as its factorization.

2819968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22045 (or 22033 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 2819968 is about 1679.2760344863. The cubic root of 2819968 is about 141.2802300401.

The spelling of 2819968 in words is "two million, eight hundred nineteen thousand, nine hundred sixty-eight".