2079920 has 20 divisors (see below), whose sum is σ = 4836000. Its totient is φ = 831936.

The previous prime is 2079919. The next prime is 2079923. The reversal of 2079920 is 299702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2079923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12920 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (241800).

2^2079920 is an apocalyptic number.

2079920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2079920 is an abundant number, since it is smaller than the sum of its proper divisors (2756080).

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

2079920 is a wasteful number, since it uses less digits than its factorization.

2079920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26012 (or 26006 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2079920 is about 1442.1927749091. The cubic root of 2079920 is about 127.6484494167.

The spelling of 2079920 in words is "two million, seventy-nine thousand, nine hundred twenty".