1994974 has 16 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 922680.

The previous prime is 1994959. The next prime is 1994977. The reversal of 1994974 is 4794991.

It is a self number, because there is not a number n which added to its sum of digits gives 1994974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 727 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^1994974 is an apocalyptic number.

1994974 is a deficient number, since it is larger than the sum of its proper divisors (1230626).

1994974 is a wasteful number, since it uses less digits than its factorization.

1994974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its digits is 81648, while the sum is 43.

The square root of 1994974 is about 1412.4354852523. The cubic root of 1994974 is about 125.8864770724.

The spelling of 1994974 in words is "one million, nine hundred ninety-four thousand, nine hundred seventy-four".