1968238 has 4 divisors (see below), whose sum is σ = 2952360. Its totient is φ = 984118.

The previous prime is 1968233. The next prime is 1968251. The reversal of 1968238 is 8328691.

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

It is a junction number, because it is equal to n+sod(n) for n = 1968197 and 1968206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492058 + ... + 492061.

It is an arithmetic number, because the mean of its divisors is an integer number (738090).

2^1968238 is an apocalyptic number.

1968238 is a deficient number, since it is larger than the sum of its proper divisors (984122).

1968238 is an equidigital number, since it uses as much as digits as its factorization.

1968238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984121.

The product of its digits is 20736, while the sum is 37.

The square root of 1968238 is about 1402.9390578354. The cubic root of 1968238 is about 125.3215826341.

The spelling of 1968238 in words is "one million, nine hundred sixty-eight thousand, two hundred thirty-eight".