30385446 has 128 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 7257600.

The previous prime is 30385423. The next prime is 30385451. The reversal of 30385446 is 64458303.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300796 + ... + 300896.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^30385446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30385446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41126400).

30385446 is an abundant number, since it is smaller than the sum of its proper divisors (51867354).

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

30385446 is a wasteful number, since it uses less digits than its factorization.

30385446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 30385446 is about 5512.2995201640. The cubic root of 30385446 is about 312.0483365282.

The spelling of 30385446 in words is "thirty million, three hundred eighty-five thousand, four hundred forty-six".