30329056 has 12 divisors (see below), whose sum is σ = 59710392. Its totient is φ = 15164512.

The previous prime is 30329051. The next prime is 30329059. The reversal of 30329056 is 65092303.

It is a super-2 number, since 2×30329056² = 1839703275702272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30329051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473860 + ... + 473923.

It is an arithmetic number, because the mean of its divisors is an integer number (4975866).

Almost surely, 2^30329056 is an apocalyptic number.

It is an amenable number.

30329056 is a deficient number, since it is larger than the sum of its proper divisors (29381336).

30329056 is an equidigital number, since it uses as much as digits as its factorization.

30329056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947793 (or 947785 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 30329056 is about 5507.1822196110. The cubic root of 30329056 is about 311.8551815311.

The spelling of 30329056 in words is "thirty million, three hundred twenty-nine thousand, fifty-six".