2938091 has 4 divisors (see below), whose sum is σ = 3164112. Its totient is φ = 2712072.

The previous prime is 2938081. The next prime is 2938097. The reversal of 2938091 is 1908392.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2938091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2938097) 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, 112991 + ... + 113016.

It is an arithmetic number, because the mean of its divisors is an integer number (791028).

2^2938091 is an apocalyptic number.

2938091 is a deficient number, since it is larger than the sum of its proper divisors (226021).

2938091 is a wasteful number, since it uses less digits than its factorization.

2938091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226020.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2938091 is about 1714.0860538491. The cubic root of 2938091 is about 143.2259618930.

The spelling of 2938091 in words is "two million, nine hundred thirty-eight thousand, ninety-one".