993387 has 8 divisors (see below), whose sum is σ = 1334736. Its totient is φ = 657152.

The previous prime is 993367. The next prime is 993397. The reversal of 993387 is 783399.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 993387 - 2⁶ = 993323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (993367) 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 7 ways as a sum of consecutive naturals, for example, 798 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (166842).

2⁹⁹³³⁸⁷ is an apocalyptic number.

993387 is a deficient number, since it is larger than the sum of its proper divisors (341349).

993387 is a wasteful number, since it uses less digits than its factorization.

993387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557.

The product of its digits is 40824, while the sum is 39.

The square root of 993387 is about 996.6880153789. The cubic root of 993387 is about 99.7790789650.

It can be divided in two parts, 99 and 3387, that added together give a triangular number (3486 = T₈₃).

The spelling of 993387 in words is "nine hundred ninety-three thousand, three hundred eighty-seven".