1968438 has 32 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 600480.

The previous prime is 1968427. The next prime is 1968467. The reversal of 1968438 is 8348691.

It is a junction number, because it is equal to n+sod(n) for n = 1968396 and 1968405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3256 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

2^1968438 is an apocalyptic number.

1968438 is an abundant number, since it is smaller than the sum of its proper divisors (2317002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968438 is a wasteful number, since it uses less digits than its factorization.

1968438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 41472, while the sum is 39.

The square root of 1968438 is about 1403.0103349584. The cubic root of 1968438 is about 125.3258272880.

The spelling of 1968438 in words is "one million, nine hundred sixty-eight thousand, four hundred thirty-eight".