1992559 has 8 divisors (see below), whose sum is σ = 2130912. Its totient is φ = 1858560.

The previous prime is 1992547. The next prime is 1992563. The reversal of 1992559 is 9552991.

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

It is a cyclic number.

It is not a de Polignac number, because 1992559 - 2⁵ = 1992527 is a prime.

It is a Duffinian number.

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, 114 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (266364).

2^1992559 is an apocalyptic number.

1992559 is a deficient number, since it is larger than the sum of its proper divisors (138353).

1992559 is a wasteful number, since it uses less digits than its factorization.

1992559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177.

The product of its digits is 36450, while the sum is 40.

The square root of 1992559 is about 1411.5803200668. The cubic root of 1992559 is about 125.8356596016.

The spelling of 1992559 in words is "one million, nine hundred ninety-two thousand, five hundred fifty-nine".