2938819 has 4 divisors (see below), whose sum is σ = 3164896. Its totient is φ = 2712744.

The previous prime is 2938813. The next prime is 2938843. The reversal of 2938819 is 9188392.

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

It is a cyclic number.

It is not a de Polignac number, because 2938819 - 2⁹ = 2938307 is a prime.

It is a super-2 number, since 2×2938819² = 17273314229522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2938813) 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, 113019 + ... + 113044.

It is an arithmetic number, because the mean of its divisors is an integer number (791224).

2^2938819 is an apocalyptic number.

2938819 is a deficient number, since it is larger than the sum of its proper divisors (226077).

2938819 is a wasteful number, since it uses less digits than its factorization.

2938819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226076.

The product of its digits is 31104, while the sum is 40.

The square root of 2938819 is about 1714.2983987626. The cubic root of 2938819 is about 143.2377904226.

The spelling of 2938819 in words is "two million, nine hundred thirty-eight thousand, eight hundred nineteen".