1992199 has 8 divisors (see below), whose sum is σ = 2209680. Its totient is φ = 1780800.

The previous prime is 1992197. The next prime is 1992203. The reversal of 1992199 is 9912991.

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 1992199 - 2¹ = 1992197 is a prime.

1992199 is a lucky 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 (1992197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (276210).

2^1992199 is an apocalyptic number.

1992199 is a deficient number, since it is larger than the sum of its proper divisors (217481).

1992199 is a wasteful number, since it uses less digits than its factorization.

1992199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

The product of its digits is 13122, while the sum is 40.

The square root of 1992199 is about 1411.4527976521. The cubic root of 1992199 is about 125.8280808103.

It can be divided in two parts, 199219 and 9, that multiplied together give a palindrome (1792971).

The spelling of 1992199 in words is "one million, nine hundred ninety-two thousand, one hundred ninety-nine".