2882381 has 4 divisors (see below), whose sum is σ = 2897664. Its totient is φ = 2867100.

The previous prime is 2882377. The next prime is 2882389. The reversal of 2882381 is 1832882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1832882 = 2 ⋅916441.

It is a cyclic number.

It is not a de Polignac number, because 2882381 - 2² = 2882377 is a prime.

It is a super-2 number, since 2×2882381² = 16616240458322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2882389) 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, 7355 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (724416).

2^2882381 is an apocalyptic number.

It is an amenable number.

2882381 is a deficient number, since it is larger than the sum of its proper divisors (15283).

2882381 is a wasteful number, since it uses less digits than its factorization.

2882381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282.

The product of its digits is 6144, while the sum is 32.

The square root of 2882381 is about 1697.7576387694. The cubic root of 2882381 is about 142.3149295415.

The spelling of 2882381 in words is "two million, eight hundred eighty-two thousand, three hundred eighty-one".