1894923 has 12 divisors (see below), whose sum is σ = 2749968. Its totient is φ = 1257360.

The previous prime is 1894913. The next prime is 1894931. The reversal of 1894923 is 3294981.

It is not a de Polignac number, because 1894923 - 2⁶ = 1894859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1894913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2461 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (229164).

2^1894923 is an apocalyptic number.

1894923 is a deficient number, since it is larger than the sum of its proper divisors (855045).

1894923 is a wasteful number, since it uses less digits than its factorization.

1894923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 991 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1894923 is about 1376.5620218501. The cubic root of 1894923 is about 123.7458155916.

The spelling of 1894923 in words is "one million, eight hundred ninety-four thousand, nine hundred twenty-three".