930934891 has 4 divisors (see below), whose sum is σ = 936646312. Its totient is φ = 925223472.

The previous prime is 930934871. The next prime is 930934897. The reversal of 930934891 is 198439039.

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

It is a cyclic number.

It is not a de Polignac number, because 930934891 - 2⁹ = 930934379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (930934897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855466 + ... + 2855791.

It is an arithmetic number, because the mean of its divisors is an integer number (234161578).

Almost surely, 2^930934891 is an apocalyptic number.

930934891 is a deficient number, since it is larger than the sum of its proper divisors (5711421).

930934891 is a wasteful number, since it uses less digits than its factorization.

930934891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711420.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 930934891 is about 30511.2256554862. The cubic root of 930934891 is about 976.4269759484.

The spelling of 930934891 in words is "nine hundred thirty million, nine hundred thirty-four thousand, eight hundred ninety-one".