1992238 has 4 divisors (see below), whose sum is σ = 2988360. Its totient is φ = 996118.

The previous prime is 1992227. The next prime is 1992241. The reversal of 1992238 is 8322991.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498058 + ... + 498061.

It is an arithmetic number, because the mean of its divisors is an integer number (747090).

2^1992238 is an apocalyptic number.

1992238 is a deficient number, since it is larger than the sum of its proper divisors (996122).

1992238 is an equidigital number, since it uses as much as digits as its factorization.

1992238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996121.

The product of its digits is 7776, while the sum is 34.

The square root of 1992238 is about 1411.4666131368. The cubic root of 1992238 is about 125.8289018901.

The spelling of 1992238 in words is "one million, nine hundred ninety-two thousand, two hundred thirty-eight".