1992434 has 8 divisors (see below), whose sum is σ = 3164508. Its totient is φ = 937600.

The previous prime is 1992433. The next prime is 1992437. The reversal of 1992434 is 4342991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 24025 = 1403^2 + 155^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1992434.

It is not an unprimeable number, because it can be changed into a prime (1992433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29267 + ... + 29334.

2^1992434 is an apocalyptic number.

1992434 is a deficient number, since it is larger than the sum of its proper divisors (1172074).

1992434 is a wasteful number, since it uses less digits than its factorization.

1992434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58620.

The product of its digits is 7776, while the sum is 32.

The square root of 1992434 is about 1411.5360427563. The cubic root of 1992434 is about 125.8330281803.

The spelling of 1992434 in words is "one million, nine hundred ninety-two thousand, four hundred thirty-four".