1894434 has 8 divisors (see below), whose sum is σ = 3788880. Its totient is φ = 631476.

The previous prime is 1894411. The next prime is 1894439. The reversal of 1894434 is 4344981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1894434 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1894395 and 1894404.

It is not an unprimeable number, because it can be changed into a prime (1894439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157864 + ... + 157875.

It is an arithmetic number, because the mean of its divisors is an integer number (473610).

2^1894434 is an apocalyptic number.

1894434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1894434 is a wasteful number, since it uses less digits than its factorization.

1894434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315744.

The product of its digits is 13824, while the sum is 33.

The square root of 1894434 is about 1376.3843939830. The cubic root of 1894434 is about 123.7351701441.

The spelling of 1894434 in words is "one million, eight hundred ninety-four thousand, four hundred thirty-four".