2879720 has 16 divisors (see below), whose sum is σ = 6479460. Its totient is φ = 1151872.

The previous prime is 2879719. The next prime is 2879741. The reversal of 2879720 is 279782.

It can be written as a sum of positive squares in 2 ways, for example, as 2669956 + 209764 = 1634^2 + 458^2 .

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, 35957 + ... + 36036.

2^2879720 is an apocalyptic number.

2879720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2879720 is an abundant number, since it is smaller than the sum of its proper divisors (3599740).

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

2879720 is a wasteful number, since it uses less digits than its factorization.

2879720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72004 (or 72000 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2879720 is about 1696.9737770514. The cubic root of 2879720 is about 142.2711212426.

The spelling of 2879720 in words is "two million, eight hundred seventy-nine thousand, seven hundred twenty".