930428309 has 32 divisors (see below), whose sum is σ = 1068318720. Its totient is φ = 804895488.

The previous prime is 930428299. The next prime is 930428311. The reversal of 930428309 is 903824039.

It is a cyclic number.

It is not a de Polignac number, because 930428309 - 2¹² = 930424213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930428329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2535044 + ... + 2535410.

It is an arithmetic number, because the mean of its divisors is an integer number (33384960).

Almost surely, 2^930428309 is an apocalyptic number.

It is an amenable number.

930428309 is a deficient number, since it is larger than the sum of its proper divisors (137890411).

930428309 is a wasteful number, since it uses less digits than its factorization.

930428309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 930428309 is about 30502.9229583002. The cubic root of 930428309 is about 976.2498314154.

The spelling of 930428309 in words is "nine hundred thirty million, four hundred twenty-eight thousand, three hundred nine".