1940307 has 8 divisors (see below), whose sum is σ = 2593680. Its totient is φ = 1290240.

The previous prime is 1940293. The next prime is 1940327. The reversal of 1940307 is 7030491.

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

It is not a de Polignac number, because 1940307 - 2¹⁰ = 1939283 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1940327) 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 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (324210).

2^1940307 is an apocalyptic number.

1940307 is a deficient number, since it is larger than the sum of its proper divisors (653373).

1940307 is a wasteful number, since it uses less digits than its factorization.

1940307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1940307 is about 1392.9490299361. The cubic root of 1940307 is about 124.7259489406.

Adding to 1940307 its reverse (7030491), we get a palindrome (8970798).

The spelling of 1940307 in words is "one million, nine hundred forty thousand, three hundred seven".