1992963 has 8 divisors (see below), whose sum is σ = 3036928. Its totient is φ = 1138824.

The previous prime is 1992953. The next prime is 1992971. The reversal of 1992963 is 3692991.

It is a happy number.

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

It is not a de Polignac number, because 1992963 - 2²⁰ = 944387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1992953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47431 + ... + 47472.

It is an arithmetic number, because the mean of its divisors is an integer number (379616).

2^1992963 is an apocalyptic number.

1992963 is a deficient number, since it is larger than the sum of its proper divisors (1043965).

1992963 is an equidigital number, since it uses as much as digits as its factorization.

1992963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94913.

The product of its digits is 26244, while the sum is 39.

The square root of 1992963 is about 1411.7234148373. The cubic root of 1992963 is about 125.8441636025.

The spelling of 1992963 in words is "one million, nine hundred ninety-two thousand, nine hundred sixty-three".