1894023 has 20 divisors (see below), whose sum is σ = 2879800. Its totient is φ = 1240272.

The previous prime is 1894003. The next prime is 1894033. The reversal of 1894023 is 3204981.

It is not a de Polignac number, because 1894023 - 2¹⁰ = 1892999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

1894023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5253 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (143990).

2^1894023 is an apocalyptic number.

1894023 is a deficient number, since it is larger than the sum of its proper divisors (985777).

1894023 is an equidigital number, since it uses as much as digits as its factorization.

1894023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1894023 is about 1376.2350816630. The cubic root of 1894023 is about 123.7262213265.

The spelling of 1894023 in words is "one million, eight hundred ninety-four thousand, twenty-three".