2799620 has 12 divisors (see below), whose sum is σ = 5879244. Its totient is φ = 1119840.

The previous prime is 2799607. The next prime is 2799637. The reversal of 2799620 is 269972.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 2483776 = 562^2 + 1576^2 .

It is a super-5 number, since 5×2799620⁵ (a number of 33 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69971 + ... + 70010.

It is an arithmetic number, because the mean of its divisors is an integer number (489937).

2^2799620 is an apocalyptic number.

2799620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2799620 is an abundant number, since it is smaller than the sum of its proper divisors (3079624).

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

2799620 is a wasteful number, since it uses less digits than its factorization.

2799620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139990 (or 139988 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2799620 is about 1673.2065024975. The cubic root of 2799620 is about 140.9395982254.

The spelling of 2799620 in words is "two million, seven hundred ninety-nine thousand, six hundred twenty".