1938424 has 16 divisors (see below), whose sum is σ = 3650400. Its totient is φ = 964992.

The previous prime is 1938383. The next prime is 1938427. The reversal of 1938424 is 4248391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (228150).

2^1938424 is an apocalyptic number.

It is an amenable number.

1938424 is a deficient number, since it is larger than the sum of its proper divisors (1711976).

1938424 is a wasteful number, since it uses less digits than its factorization.

1938424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1938424 is about 1392.2729617428. The cubic root of 1938424 is about 124.6855884930.

The spelling of 1938424 in words is "one million, nine hundred thirty-eight thousand, four hundred twenty-four".