1992245 has 16 divisors (see below), whose sum is σ = 2562240. Its totient is φ = 1482624.

The previous prime is 1992241. The next prime is 1992251. The reversal of 1992245 is 5422991.

It is a cyclic number.

It is not a de Polignac number, because 1992245 - 2² = 1992241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6209 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (160140).

2^1992245 is an apocalyptic number.

It is an amenable number.

1992245 is a deficient number, since it is larger than the sum of its proper divisors (569995).

1992245 is a wasteful number, since it uses less digits than its factorization.

1992245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 6480, while the sum is 32.

The square root of 1992245 is about 1411.4690928249. The cubic root of 1992245 is about 125.8290492623.

The spelling of 1992245 in words is "one million, nine hundred ninety-two thousand, two hundred forty-five".