2881377 has 6 divisors (see below), whose sum is σ = 4162002. Its totient is φ = 1920912.

The previous prime is 2881349. The next prime is 2881379. The reversal of 2881377 is 7731882.

2881377 is a `hidden beast` number, since 288 + 1 + 377 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 1115136 = 1329^2 + 1056^2 .

It is not a de Polignac number, because 2881377 - 2¹⁵ = 2848609 is a prime.

It is a super-2 number, since 2×2881377² = 16604666832258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2881379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160068 + ... + 160085.

It is an arithmetic number, because the mean of its divisors is an integer number (693667).

2^2881377 is an apocalyptic number.

It is an amenable number.

2881377 is a deficient number, since it is larger than the sum of its proper divisors (1280625).

2881377 is a wasteful number, since it uses less digits than its factorization.

2881377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320159 (or 320156 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 2881377 is about 1697.4619288809. The cubic root of 2881377 is about 142.2984037615.

The spelling of 2881377 in words is "two million, eight hundred eighty-one thousand, three hundred seventy-seven".