2849381 has 4 divisors (see below), whose sum is σ = 2871264. Its totient is φ = 2827500.

The previous prime is 2849351. The next prime is 2849389. The reversal of 2849381 is 1839482.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2849381 - 2⁶ = 2849317 is a prime.

It is a super-2 number, since 2×2849381² = 16237944166322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2849389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10745 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (717816).

2^2849381 is an apocalyptic number.

It is an amenable number.

2849381 is a deficient number, since it is larger than the sum of its proper divisors (21883).

2849381 is a wasteful number, since it uses less digits than its factorization.

2849381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21882.

The product of its digits is 13824, while the sum is 35.

The square root of 2849381 is about 1688.0109596801. The cubic root of 2849381 is about 141.7697286186.

The spelling of 2849381 in words is "two million, eight hundred forty-nine thousand, three hundred eighty-one".