30390016 has 36 divisors (see below), whose sum is σ = 64238832. Its totient is φ = 14299136.

The previous prime is 30390011. The next prime is 30390091. The reversal of 30390016 is 61009303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30390011) 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, 861 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (1784412).

Almost surely, 2^30390016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30390016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32119416).

30390016 is an abundant number, since it is smaller than the sum of its proper divisors (33848816).

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

30390016 is an equidigital number, since it uses as much as digits as its factorization.

30390016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016 (or 7002 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 30390016 is about 5512.7140321261. The cubic root of 30390016 is about 312.0639798662.

Adding to 30390016 its reverse (61009303), we get a palindrome (91399319).

The spelling of 30390016 in words is "thirty million, three hundred ninety thousand, sixteen".