933081 has 4 divisors (see below), whose sum is σ = 1244112. Its totient is φ = 622052.

The previous prime is 933073. The next prime is 933151. The reversal of 933081 is 180339.

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 933081 - 2³ = 933073 is a prime.

It is a super-3 number, since 3×933081³ = 2437133352575311323, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a D-number.

933081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (933001) 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, 155511 + ... + 155516.

It is an arithmetic number, because the mean of its divisors is an integer number (311028).

2⁹³³⁰⁸¹ is an apocalyptic number.

It is an amenable number.

933081 is a deficient number, since it is larger than the sum of its proper divisors (311031).

933081 is a wasteful number, since it uses less digits than its factorization.

933081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311030.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 933081 is about 965.9611793442. The cubic root of 933081 is about 97.7176727807.

The spelling of 933081 in words is "nine hundred thirty-three thousand, eighty-one".