1993948 has 12 divisors (see below), whose sum is σ = 3806712. Its totient is φ = 906320.

The previous prime is 1993933. The next prime is 1993949. The reversal of 1993948 is 8493991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993949) 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, 22615 + ... + 22702.

It is an arithmetic number, because the mean of its divisors is an integer number (317226).

2^1993948 is an apocalyptic number.

It is an amenable number.

1993948 is a deficient number, since it is larger than the sum of its proper divisors (1812764).

1993948 is a wasteful number, since it uses less digits than its factorization.

1993948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45332 (or 45330 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 1993948 is about 1412.0722361126. The cubic root of 1993948 is about 125.8648925516.

Adding to 1993948 its sum of digits (43), we get a palindrome (1993991).

The spelling of 1993948 in words is "one million, nine hundred ninety-three thousand, nine hundred forty-eight".