1894844 has 48 divisors (see below), whose sum is σ = 4085760. Its totient is φ = 751680.

The previous prime is 1894817. The next prime is 1894853. The reversal of 1894844 is 4484981.

It is a junction number, because it is equal to n+sod(n) for n = 1894798 and 1894807.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32087 + ... + 32145.

It is an arithmetic number, because the mean of its divisors is an integer number (85120).

2^1894844 is an apocalyptic number.

1894844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042880).

1894844 is an abundant number, since it is smaller than the sum of its proper divisors (2190916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1894844 is a wasteful number, since it uses less digits than its factorization.

1894844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 1894844 is about 1376.5333268759. The cubic root of 1894844 is about 123.7440958990.

The spelling of 1894844 in words is "one million, eight hundred ninety-four thousand, eight hundred forty-four".