1992106 has 8 divisors (see below), whose sum is σ = 3001284. Its totient is φ = 991680.

The previous prime is 1992101. The next prime is 1992119. The reversal of 1992106 is 6012991.

It can be written as a sum of positive squares in 2 ways, for example, as 1863225 + 128881 = 1365^2 + 359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1992101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585 + ... + 2548.

2^1992106 is an apocalyptic number.

1992106 is a deficient number, since it is larger than the sum of its proper divisors (1009178).

1992106 is a wasteful number, since it uses less digits than its factorization.

1992106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1992106 is about 1411.4198524890. The cubic root of 1992106 is about 125.8261228075.

The spelling of 1992106 in words is "one million, nine hundred ninety-two thousand, one hundred six".