1940923 has 8 divisors (see below), whose sum is σ = 2007360. Its totient is φ = 1875720.

The previous prime is 1940903. The next prime is 1940929. The reversal of 1940923 is 3290491.

It is a happy number.

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 1940923 - 2¹³ = 1932731 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1940891 and 1940900.

It is not an unprimeable number, because it can be changed into a prime (1940929) 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, 3708 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (250920).

2^1940923 is an apocalyptic number.

1940923 is a deficient number, since it is larger than the sum of its proper divisors (66437).

1940923 is an equidigital number, since it uses as much as digits as its factorization.

1940923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1940923 is about 1393.1701260076. The cubic root of 1940923 is about 124.7391466897.

The spelling of 1940923 in words is "one million, nine hundred forty thousand, nine hundred twenty-three".