1967994 has 24 divisors (see below), whose sum is σ = 4873440. Its totient is φ = 562248.

The previous prime is 1967947. The next prime is 1968017. The reversal of 1967994 is 4997691.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7684 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (203060).

2^1967994 is an apocalyptic number.

1967994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1967994 is an abundant number, since it is smaller than the sum of its proper divisors (2905446).

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

1967994 is a wasteful number, since it uses less digits than its factorization.

1967994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15634 (or 15631 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 1967994 is about 1402.8520948411. The cubic root of 1967994 is about 125.3164037668.

The spelling of 1967994 in words is "one million, nine hundred sixty-seven thousand, nine hundred ninety-four".