2772899 has 4 divisors (see below), whose sum is σ = 2777520. Its totient is φ = 2768280.

The previous prime is 2772883. The next prime is 2772901. The reversal of 2772899 is 9982772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2772899 - 2⁴ = 2772883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772829) 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, 1247 + ... + 2664.

It is an arithmetic number, because the mean of its divisors is an integer number (694380).

2^2772899 is an apocalyptic number.

2772899 is a deficient number, since it is larger than the sum of its proper divisors (4621).

2772899 is an equidigital number, since it uses as much as digits as its factorization.

2772899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620.

The product of its digits is 127008, while the sum is 44.

The square root of 2772899 is about 1665.2023901016. The cubic root of 2772899 is about 140.4897642438.

It can be divided in two parts, 2772 and 899, that multiplied together give a triangular number (2492028 = T₂₂₃₂).

The spelling of 2772899 in words is "two million, seven hundred seventy-two thousand, eight hundred ninety-nine".