2078920 has 16 divisors (see below), whose sum is σ = 4677660. Its totient is φ = 831552.

The previous prime is 2078917. The next prime is 2078927. The reversal of 2078920 is 298702.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 79524 = 1414^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (2078927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25947 + ... + 26026.

2^2078920 is an apocalyptic number.

2078920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2078920 is an abundant number, since it is smaller than the sum of its proper divisors (2598740).

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

2078920 is a wasteful number, since it uses less digits than its factorization.

2078920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51984 (or 51980 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2078920 is about 1441.8460389376. The cubic root of 2078920 is about 127.6279888681.

The spelling of 2078920 in words is "two million, seventy-eight thousand, nine hundred twenty".