1967992 has 32 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 895104.

The previous prime is 1967947. The next prime is 1968017. The reversal of 1967992 is 2997691.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13134 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2^1967992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1967992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2016000).

1967992 is an abundant number, since it is smaller than the sum of its proper divisors (2064008).

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

1967992 is a wasteful number, since it uses less digits than its factorization.

1967992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 291 counting only the distinct ones).

The product of its digits is 61236, while the sum is 43.

The square root of 1967992 is about 1402.8513820074. The cubic root of 1967992 is about 125.3163613153.

The spelling of 1967992 in words is "one million, nine hundred sixty-seven thousand, nine hundred ninety-two".