1894842 has 12 divisors (see below), whose sum is σ = 4105530. Its totient is φ = 631608.

The previous prime is 1894817. The next prime is 1894853. The reversal of 1894842 is 2484981.

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 47961 = 1359^2 + 219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1894797 and 1894806.

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 5 ways as a sum of consecutive naturals, for example, 52617 + ... + 52652.

2^1894842 is an apocalyptic number.

1894842 is an abundant number, since it is smaller than the sum of its proper divisors (2210688).

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

1894842 is a wasteful number, since it uses less digits than its factorization.

1894842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105277 (or 105274 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1894842 is about 1376.5326004131. The cubic root of 1894842 is about 123.7440523618.

The spelling of 1894842 in words is "one million, eight hundred ninety-four thousand, eight hundred forty-two".