994081 has 4 divisors (see below), whose sum is σ = 1084464. Its totient is φ = 903700.

The previous prime is 994073. The next prime is 994087. The reversal of 994081 is 180499.

994081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 994081 - 2³ = 994073 is a prime.

It is a super-2 number, since 2×994081² = 1976394069122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45175 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (271116).

2⁹⁹⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

994081 is a deficient number, since it is larger than the sum of its proper divisors (90383).

994081 is a wasteful number, since it uses less digits than its factorization.

994081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90382.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 994081 is about 997.0361076711. The cubic root of 994081 is about 99.8023094420.

The spelling of 994081 in words is "nine hundred ninety-four thousand, eighty-one".