993899 has 8 divisors (see below), whose sum is σ = 1052160. Its totient is φ = 936936.

The previous prime is 993893. The next prime is 993907. The reversal of 993899 is 998399.

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 993899 - 2¹² = 989803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993893) 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, 1544 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (131520).

2⁹⁹³⁸⁹⁹ is an apocalyptic number.

993899 is a deficient number, since it is larger than the sum of its proper divisors (58261).

993899 is a wasteful number, since it uses less digits than its factorization.

993899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its digits is 157464, while the sum is 47.

The square root of 993899 is about 996.9448329772. The cubic root of 993899 is about 99.7962183458.

The spelling of 993899 in words is "nine hundred ninety-three thousand, eight hundred ninety-nine".