2797120 has 28 divisors (see below), whose sum is σ = 6661404. Its totient is φ = 1118720.

The previous prime is 2797117. The next prime is 2797121. The reversal of 2797120 is 217972.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 2050624 = 864^2 + 1432^2 .

It is a super-4 number, since 4×2797120⁴ (a number of 27 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2797121) 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, 4051 + ... + 4690.

2^2797120 is an apocalyptic number.

2797120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2797120 is an abundant number, since it is smaller than the sum of its proper divisors (3864284).

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

2797120 is an equidigital number, since it uses as much as digits as its factorization.

2797120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758 (or 8748 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2797120 is about 1672.4592670675. The cubic root of 2797120 is about 140.8976337293.

The spelling of 2797120 in words is "two million, seven hundred ninety-seven thousand, one hundred twenty".