930901921 has 8 divisors (see below), whose sum is σ = 938234304. Its totient is φ = 923590800.

The previous prime is 930901889. The next prime is 930901927. The reversal of 930901921 is 129109039.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 930901921 - 2⁵ = 930901889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (930901927) 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 7 ways as a sum of consecutive naturals, for example, 89071 + ... + 98971.

It is an arithmetic number, because the mean of its divisors is an integer number (117279288).

Almost surely, 2^930901921 is an apocalyptic number.

It is an amenable number.

930901921 is a deficient number, since it is larger than the sum of its proper divisors (7332383).

930901921 is a wasteful number, since it uses less digits than its factorization.

930901921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10631.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 930901921 is about 30510.6853577562. The cubic root of 930901921 is about 976.4154487629.

The spelling of 930901921 in words is "nine hundred thirty million, nine hundred one thousand, nine hundred twenty-one".