1940847 has 8 divisors (see below), whose sum is σ = 2601600. Its totient is φ = 1287000.

The previous prime is 1940833. The next prime is 1940849. The reversal of 1940847 is 7480491.

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

It is not a de Polignac number, because 1940847 - 2¹² = 1936751 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940849) 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, 1029 + ... + 2222.

It is an arithmetic number, because the mean of its divisors is an integer number (325200).

2^1940847 is an apocalyptic number.

1940847 is a deficient number, since it is larger than the sum of its proper divisors (660753).

1940847 is a wasteful number, since it uses less digits than its factorization.

1940847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1940847 is about 1393.1428498184. The cubic root of 1940847 is about 124.7375185470.

The spelling of 1940847 in words is "one million, nine hundred forty thousand, eight hundred forty-seven".