30385408 has 36 divisors (see below), whose sum is σ = 63854560. Its totient is φ = 14390784.

The previous prime is 30385403. The next prime is 30385423. The reversal of 30385408 is 80458303.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30385408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30385403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1741 + ... + 7987.

Almost surely, 2^30385408 is an apocalyptic number.

30385408 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30385408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31927280).

30385408 is an abundant number, since it is smaller than the sum of its proper divisors (33469152).

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

30385408 is an equidigital number, since it uses as much as digits as its factorization.

30385408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282 (or 6268 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 30385408 is about 5512.2960733255. The cubic root of 30385408 is about 312.0482064457.

The spelling of 30385408 in words is "thirty million, three hundred eighty-five thousand, four hundred eight".