2093947 has 4 divisors (see below), whose sum is σ = 2128336. Its totient is φ = 2059560.

The previous prime is 2093929. The next prime is 2093953. The reversal of 2093947 is 7493902.

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 2093947 - 2¹⁵ = 2061179 is a prime.

It is a super-2 number, since 2×2093947² = 8769228077618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2093347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17103 + ... + 17224.

It is an arithmetic number, because the mean of its divisors is an integer number (532084).

2^2093947 is an apocalyptic number.

2093947 is a deficient number, since it is larger than the sum of its proper divisors (34389).

2093947 is an equidigital number, since it uses as much as digits as its factorization.

2093947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34388.

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

The square root of 2093947 is about 1447.0476840796. The cubic root of 2093947 is about 127.9347608626.

The spelling of 2093947 in words is "two million, ninety-three thousand, nine hundred forty-seven".