1922838 has 32 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 597600.

The previous prime is 1922821. The next prime is 1922863. The reversal of 1922838 is 8382291.

It is a junction number, because it is equal to n+sod(n) for n = 1922799 and 1922808.

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, 11431 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^1922838 is an apocalyptic number.

1922838 is an abundant number, since it is smaller than the sum of its proper divisors (2189802).

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

1922838 is a wasteful number, since it uses less digits than its factorization.

1922838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its digits is 6912, while the sum is 33.

The square root of 1922838 is about 1386.6643429468. The cubic root of 1922838 is about 124.3505084642.

It can be divided in two parts, 192283 and 8, that added together give a palindrome (192291).

The spelling of 1922838 in words is "one million, nine hundred twenty-two thousand, eight hundred thirty-eight".