2079940 has 12 divisors (see below), whose sum is σ = 4367916. Its totient is φ = 831968.

The previous prime is 2079937. The next prime is 2079941. The reversal of 2079940 is 499702.

It can be written as a sum of positive squares in 2 ways, for example, as 715716 + 1364224 = 846^2 + 1168^2 .

It is not an unprimeable number, because it can be changed into a prime (2079941) 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, 51979 + ... + 52018.

It is an arithmetic number, because the mean of its divisors is an integer number (363993).

2^2079940 is an apocalyptic number.

2079940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2079940 is an abundant number, since it is smaller than the sum of its proper divisors (2287976).

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

2079940 is a wasteful number, since it uses less digits than its factorization.

2079940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104006 (or 104004 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2079940 is about 1442.1997087782. The cubic root of 2079940 is about 127.6488585607.

The spelling of 2079940 in words is "two million, seventy-nine thousand, nine hundred forty".