930001091 has 4 divisors (see below), whose sum is σ = 930801912. Its totient is φ = 929200272.

The previous prime is 930001081. The next prime is 930001141. The reversal of 930001091 is 190100039.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-930001091 is a prime.

It is a super-2 number, since 2×930001091² = 1729804058522380562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (930001081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398666 + ... + 400991.

It is an arithmetic number, because the mean of its divisors is an integer number (232700478).

Almost surely, 2^930001091 is an apocalyptic number.

930001091 is a deficient number, since it is larger than the sum of its proper divisors (800821).

930001091 is a wasteful number, since it uses less digits than its factorization.

930001091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800820.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 930001091 is about 30495.9192515982. The cubic root of 930001091 is about 976.1003893619.

The spelling of 930001091 in words is "nine hundred thirty million, one thousand, ninety-one".