30638160 has 120 divisors (see below), whose sum is σ = 117611520. Its totient is φ = 7001856.

The previous prime is 30638159. The next prime is 30638189. The reversal of 30638160 is 6183603.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2001 + ... + 8079.

It is an arithmetic number, because the mean of its divisors is an integer number (980096).

Almost surely, 2^30638160 is an apocalyptic number.

30638160 is a gapful number since it is divisible by the number (30) 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 30638160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58805760).

30638160 is an abundant number, since it is smaller than the sum of its proper divisors (86973360).

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

30638160 is a wasteful number, since it uses less digits than its factorization.

30638160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105 (or 6096 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30638160 is about 5535.1747939880. The cubic root of 30638160 is about 312.9110452301.

The spelling of 30638160 in words is "thirty million, six hundred thirty-eight thousand, one hundred sixty".