30216394 has 32 divisors (see below), whose sum is σ = 50641920. Its totient is φ = 13433472.

The previous prime is 30216367. The next prime is 30216419. The reversal of 30216394 is 49361203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96382 + ... + 96694.

It is an arithmetic number, because the mean of its divisors is an integer number (1582560).

Almost surely, 2^30216394 is an apocalyptic number.

30216394 is a deficient number, since it is larger than the sum of its proper divisors (20425526).

30216394 is a wasteful number, since it uses less digits than its factorization.

30216394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

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

The square root of 30216394 is about 5496.9440601119. The cubic root of 30216394 is about 311.4685575368.

Adding to 30216394 its reverse (49361203), we get a palindrome (79577597).

The spelling of 30216394 in words is "thirty million, two hundred sixteen thousand, three hundred ninety-four".