30268399 has 4 divisors (see below), whose sum is σ = 34592464. Its totient is φ = 25944336.

The previous prime is 30268397. The next prime is 30268411. The reversal of 30268399 is 99386203.

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 30268399 - 2¹ = 30268397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268393) 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, 2162022 + ... + 2162035.

It is an arithmetic number, because the mean of its divisors is an integer number (8648116).

Almost surely, 2^30268399 is an apocalyptic number.

30268399 is a deficient number, since it is larger than the sum of its proper divisors (4324065).

30268399 is an equidigital number, since it uses as much as digits as its factorization.

30268399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324064.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 30268399 is about 5501.6723821035. The cubic root of 30268399 is about 311.6471431366.

The spelling of 30268399 in words is "thirty million, two hundred sixty-eight thousand, three hundred ninety-nine".