2771995 has 8 divisors (see below), whose sum is σ = 3404016. Its totient is φ = 2165856.

The previous prime is 2771971. The next prime is 2771999. The reversal of 2771995 is 5991772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2771995 - 2⁵ = 2771963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2771999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6232 + ... + 6661.

It is an arithmetic number, because the mean of its divisors is an integer number (425502).

2^2771995 is an apocalyptic number.

2771995 is a deficient number, since it is larger than the sum of its proper divisors (632021).

2771995 is a wasteful number, since it uses less digits than its factorization.

2771995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12941.

The product of its digits is 39690, while the sum is 40.

The square root of 2771995 is about 1664.9309294983. The cubic root of 2771995 is about 140.4744954402.

The spelling of 2771995 in words is "two million, seven hundred seventy-one thousand, nine hundred ninety-five".