30469321 has 4 divisors (see below), whose sum is σ = 32261652. Its totient is φ = 28676992.

The previous prime is 30469303. The next prime is 30469379. The reversal of 30469321 is 12396403.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 10791225 = 4436^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 30469321 - 2¹¹ = 30467273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30469321.

It is not an unprimeable number, because it can be changed into a prime (30469391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896140 + ... + 896173.

It is an arithmetic number, because the mean of its divisors is an integer number (8065413).

Almost surely, 2^30469321 is an apocalyptic number.

It is an amenable number.

30469321 is a deficient number, since it is larger than the sum of its proper divisors (1792331).

30469321 is a wasteful number, since it uses less digits than its factorization.

30469321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792330.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30469321 is about 5519.9022636275. The cubic root of 30469321 is about 312.3351954482.

The spelling of 30469321 in words is "thirty million, four hundred sixty-nine thousand, three hundred twenty-one".