1992704 has 48 divisors (see below), whose sum is σ = 4586400. Its totient is φ = 847872.

The previous prime is 1992691. The next prime is 1992713. The reversal of 1992704 is 4072991.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14267 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (95550).

2^1992704 is an apocalyptic number.

1992704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293200).

1992704 is an abundant number, since it is smaller than the sum of its proper divisors (2593696).

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

1992704 is an equidigital number, since it uses as much as digits as its factorization.

1992704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1992704 is about 1411.6316800072. The cubic root of 1992704 is about 125.8387119124.

The spelling of 1992704 in words is "one million, nine hundred ninety-two thousand, seven hundred four".