30834132 has 72 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 8588160.

The previous prime is 30834121. The next prime is 30834149. The reversal of 30834132 is 23143803.

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, 23469 + ... + 24747.

It is an arithmetic number, because the mean of its divisors is an integer number (1191680).

Almost surely, 2^30834132 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 30834132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42900480).

30834132 is an abundant number, since it is smaller than the sum of its proper divisors (54966828).

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

30834132 is a wasteful number, since it uses less digits than its factorization.

30834132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30834132 is about 5552.8489984872. The cubic root of 30834132 is about 313.5767893110.

Adding to 30834132 its reverse (23143803), we get a palindrome (53977935).

The spelling of 30834132 in words is "thirty million, eight hundred thirty-four thousand, one hundred thirty-two".