30321264 has 40 divisors (see below), whose sum is σ = 82455040. Its totient is φ = 9574848.

The previous prime is 30321259. The next prime is 30321271. The reversal of 30321264 is 46212303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30321264.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15712 + ... + 17535.

It is an arithmetic number, because the mean of its divisors is an integer number (2061376).

Almost surely, 2^30321264 is an apocalyptic number.

It is an amenable number.

30321264 is an abundant number, since it is smaller than the sum of its proper divisors (52133776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321264 is a wasteful number, since it uses less digits than its factorization.

30321264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33277 (or 33271 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30321264 is about 5506.4747343468. The cubic root of 30321264 is about 311.8284724494.

Adding to 30321264 its reverse (46212303), we get a palindrome (76533567).

The spelling of 30321264 in words is "thirty million, three hundred twenty-one thousand, two hundred sixty-four".