993271 has 6 divisors (see below), whose sum is σ = 1031072. Its totient is φ = 955860.

The previous prime is 993269. The next prime is 993283. The reversal of 993271 is 172399.

It is not a de Polignac number, because 993271 - 2¹ = 993269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5460 + ... + 5638.

2⁹⁹³²⁷¹ is an apocalyptic number.

993271 is a deficient number, since it is larger than the sum of its proper divisors (37801).

993271 is an equidigital number, since it uses as much as digits as its factorization.

993271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 210 counting only the distinct ones).

The product of its digits is 3402, while the sum is 31.

The square root of 993271 is about 996.6298209466. The cubic root of 993271 is about 99.7751950058.

Multiplying 993271 by its sum of digits (31), we get a square (30791401 = 5549²).

993271 divided by its sum of digits (31) gives a square (32041 = 179²).

The spelling of 993271 in words is "nine hundred ninety-three thousand, two hundred seventy-one".