930081 has 4 divisors (see below), whose sum is σ = 1240112. Its totient is φ = 620052.

The previous prime is 930079. The next prime is 930089. The reversal of 930081 is 180039.

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, and also an emirpimes, since its reverse is a distinct semiprime: 180039 = 3 ⋅60013.

It is not a de Polignac number, because 930081 - 2¹ = 930079 is a prime.

It is a super-2 number, since 2×930081² = 1730101333122, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (930089) 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, 155011 + ... + 155016.

It is an arithmetic number, because the mean of its divisors is an integer number (310028).

2⁹³⁰⁰⁸¹ is an apocalyptic number.

It is an amenable number.

930081 is a deficient number, since it is larger than the sum of its proper divisors (310031).

930081 is a wasteful number, since it uses less digits than its factorization.

930081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310030.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 930081 is about 964.4070717285. The cubic root of 930081 is about 97.6128345233.

The spelling of 930081 in words is "nine hundred thirty thousand, eighty-one".