1992504 has 32 divisors (see below), whose sum is σ = 5066640. Its totient is φ = 652800.

The previous prime is 1992493. The next prime is 1992509. The reversal of 1992504 is 4052991.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992509) 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, 784 + ... + 2144.

2^1992504 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 1992504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533320).

1992504 is an abundant number, since it is smaller than the sum of its proper divisors (3074136).

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

1992504 is a wasteful number, since it uses less digits than its factorization.

1992504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1992504 is about 1411.5608382213. The cubic root of 1992504 is about 125.8345017898.

The spelling of 1992504 in words is "one million, nine hundred ninety-two thousand, five hundred four".