1928238 has 32 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 581856.

The previous prime is 1928237. The next prime is 1928257. The reversal of 1928238 is 8328291.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1928199 and 1928208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928237) 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, 4393 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2^1928238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1928238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116800).

1928238 is an abundant number, since it is smaller than the sum of its proper divisors (2305362).

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

1928238 is a wasteful number, since it uses less digits than its factorization.

1928238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

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

The square root of 1928238 is about 1388.6100964634. The cubic root of 1928238 is about 124.4668062021.

The spelling of 1928238 in words is "one million, nine hundred twenty-eight thousand, two hundred thirty-eight".