1940937 has 4 divisors (see below), whose sum is σ = 2587920. Its totient is φ = 1293956.

The previous prime is 1940929. The next prime is 1940957. The reversal of 1940937 is 7390491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1940937 - 2³ = 1940929 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1940898 and 1940907.

It is not an unprimeable number, because it can be changed into a prime (1940957) 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, 323487 + ... + 323492.

It is an arithmetic number, because the mean of its divisors is an integer number (646980).

2^1940937 is an apocalyptic number.

It is an amenable number.

1940937 is a deficient number, since it is larger than the sum of its proper divisors (646983).

1940937 is an equidigital number, since it uses as much as digits as its factorization.

1940937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646982.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1940937 is about 1393.1751505105. The cubic root of 1940937 is about 124.7394466061.

The spelling of 1940937 in words is "one million, nine hundred forty thousand, nine hundred thirty-seven".