993894 has 36 divisors (see below), whose sum is σ = 2245572. Its totient is φ = 293040.

The previous prime is 993893. The next prime is 993907. The reversal of 993894 is 498399.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993893) 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, 26844 + ... + 26880.

It is an arithmetic number, because the mean of its divisors is an integer number (62377).

2⁹⁹³⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 993894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122786).

993894 is an abundant number, since it is smaller than the sum of its proper divisors (1251678).

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

993894 is a wasteful number, since it uses less digits than its factorization.

993894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 53 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 993894 is about 996.9423253128. The cubic root of 993894 is about 99.7960509975.

Multiplying 993894 by its product of digits (69984), we get a square (69556677696 = 263736²).

It can be divided in two parts, 99 and 3894, that added together give a palindrome (3993).

The spelling of 993894 in words is "nine hundred ninety-three thousand, eight hundred ninety-four".