1938293 has 8 divisors (see below), whose sum is σ = 2260800. Its totient is φ = 1661100.

The previous prime is 1938271. The next prime is 1938301. The reversal of 1938293 is 3928391.

It is a de Polignac number, because none of the positive numbers 2^k-1938293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938203) 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 7 ways as a sum of consecutive naturals, for example, 2483 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (282600).

2^1938293 is an apocalyptic number.

It is an amenable number.

1938293 is a deficient number, since it is larger than the sum of its proper divisors (322507).

1938293 is an frugal number, since it uses more digits than its factorization.

1938293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5658 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 1938293 is about 1392.2259155755. The cubic root of 1938293 is about 124.6827796510.

The spelling of 1938293 in words is "one million, nine hundred thirty-eight thousand, two hundred ninety-three".