1975938 has 16 divisors (see below), whose sum is σ = 3965760. Its totient is φ = 656336.

The previous prime is 1975933. The next prime is 1975949. The reversal of 1975938 is 8395791.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1975938.

It is not an unprimeable number, because it can be changed into a prime (1975931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 3377.

It is an arithmetic number, because the mean of its divisors is an integer number (247860).

2^1975938 is an apocalyptic number.

1975938 is an abundant number, since it is smaller than the sum of its proper divisors (1989822).

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

1975938 is a wasteful number, since it uses less digits than its factorization.

1975938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its digits is 68040, while the sum is 42.

The square root of 1975938 is about 1405.6806180637. The cubic root of 1975938 is about 125.4847946955.

It can be divided in two parts, 19 and 75938, that added together give a palindrome (75957).

The spelling of 1975938 in words is "one million, nine hundred seventy-five thousand, nine hundred thirty-eight".