1993475 has 18 divisors (see below), whose sum is σ = 2721180. Its totient is φ = 1447600.

The previous prime is 1993457. The next prime is 1993477. The reversal of 1993475 is 5743991.

It is a happy number.

It is not a de Polignac number, because 1993475 - 2⁸ = 1993219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1993477) 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 17 ways as a sum of consecutive naturals, for example, 2696 + ... + 3354.

2^1993475 is an apocalyptic number.

1993475 is a deficient number, since it is larger than the sum of its proper divisors (727705).

1993475 is a wasteful number, since it uses less digits than its factorization.

1993475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 675 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 1993475 is about 1411.9047418293. The cubic root of 1993475 is about 125.8549392993.

The spelling of 1993475 in words is "one million, nine hundred ninety-three thousand, four hundred seventy-five".