309829030 has 16 divisors (see below), whose sum is σ = 637362720. Its totient is φ = 106227072.

The previous prime is 309828983. The next prime is 309829031. The reversal of 309829030 is 30928903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309829031) 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 7 ways as a sum of consecutive naturals, for example, 2212995 + ... + 2213134.

It is an arithmetic number, because the mean of its divisors is an integer number (39835170).

Almost surely, 2^309829030 is an apocalyptic number.

309829030 is an abundant number, since it is smaller than the sum of its proper divisors (327533690).

309829030 is a wasteful number, since it uses less digits than its factorization.

309829030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426143.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 309829030 is about 17601.9609703010. The cubic root of 309829030 is about 676.6655021402.

The spelling of 309829030 in words is "three hundred nine million, eight hundred twenty-nine thousand, thirty".