1973894 has 24 divisors (see below), whose sum is σ = 3336480. Its totient is φ = 870480.

The previous prime is 1973893. The next prime is 1973897. The reversal of 1973894 is 4983791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973893) 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, 24947 + ... + 25025.

It is an arithmetic number, because the mean of its divisors is an integer number (139020).

2^1973894 is an apocalyptic number.

1973894 is a deficient number, since it is larger than the sum of its proper divisors (1362586).

1973894 is a wasteful number, since it uses less digits than its factorization.

1973894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 125 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 1973894 is about 1404.9533800095. The cubic root of 1973894 is about 125.4415107103.

The spelling of 1973894 in words is "one million, nine hundred seventy-three thousand, eight hundred ninety-four".