2774885 has 4 divisors (see below), whose sum is σ = 3329868. Its totient is φ = 2219904.

The previous prime is 2774873. The next prime is 2774897. The reversal of 2774885 is 5884772.

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

It is an interprime number because it is at equal distance from previous prime (2774873) and next prime (2774897).

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 2024929 = 866^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2774885 - 2⁴ = 2774869 is a prime.

It is a super-3 number, since 3×2774885³ = 64099733308414812375, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 277484 + ... + 277493.

It is an arithmetic number, because the mean of its divisors is an integer number (832467).

2^2774885 is an apocalyptic number.

It is an amenable number.

2774885 is a deficient number, since it is larger than the sum of its proper divisors (554983).

2774885 is an equidigital number, since it uses as much as digits as its factorization.

2774885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554982.

The product of its digits is 125440, while the sum is 41.

The square root of 2774885 is about 1665.7986072752. The cubic root of 2774885 is about 140.5232966692.

The spelling of 2774885 in words is "two million, seven hundred seventy-four thousand, eight hundred eighty-five".