994281 has 8 divisors (see below), whose sum is σ = 1334784. Its totient is φ = 658320.

The previous prime is 994271. The next prime is 994297. The reversal of 994281 is 182499.

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

It is not a de Polignac number, because 994281 - 2⁵ = 994249 is a prime.

It is a super-2 number, since 2×994281² = 1977189413922, which contains 22 as substring.

It is a Curzon number.

994281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (994241) 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 7 ways as a sum of consecutive naturals, for example, 585 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (166848).

2⁹⁹⁴²⁸¹ is an apocalyptic number.

It is an amenable number.

994281 is a deficient number, since it is larger than the sum of its proper divisors (340503).

994281 is a wasteful number, since it uses less digits than its factorization.

994281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 5184, while the sum is 33.

The square root of 994281 is about 997.1363998972. The cubic root of 994281 is about 99.8090020969.

It can be divided in two parts, 994 and 281, that added together give a triangular number (1275 = T₅₀).

The spelling of 994281 in words is "nine hundred ninety-four thousand, two hundred eighty-one".