1938492 has 60 divisors (see below), whose sum is σ = 5258176. Its totient is φ = 622080.

The previous prime is 1938491. The next prime is 1938499. The reversal of 1938492 is 2948391.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9948 + ... + 10140.

2^1938492 is an apocalyptic number.

1938492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1938492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629088).

1938492 is an abundant number, since it is smaller than the sum of its proper divisors (3319684).

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

1938492 is a wasteful number, since it uses less digits than its factorization.

1938492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 229 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1938492 is about 1392.2973820273. The cubic root of 1938492 is about 124.6870464679.

The spelling of 1938492 in words is "one million, nine hundred thirty-eight thousand, four hundred ninety-two".