2047939 has 8 divisors (see below), whose sum is σ = 2183760. Its totient is φ = 1913856.

The previous prime is 2047937. The next prime is 2047957. The reversal of 2047939 is 9397402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2047939 - 2¹ = 2047937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2047933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707 + ... + 3379.

It is an arithmetic number, because the mean of its divisors is an integer number (272970).

2^2047939 is an apocalyptic number.

2047939 is a deficient number, since it is larger than the sum of its proper divisors (135821).

2047939 is a wasteful number, since it uses less digits than its factorization.

2047939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2047939 is about 1431.0621929183. The cubic root of 2047939 is about 126.9908233186.

The spelling of 2047939 in words is "two million, forty-seven thousand, nine hundred thirty-nine".