30814434 has 120 divisors (see below), whose sum is σ = 83895552. Its totient is φ = 8149680.

The previous prime is 30814397. The next prime is 30814463. The reversal of 30814434 is 43441803.

It is a junction number, because it is equal to n+sod(n) for n = 30814398 and 30814407.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 993999 + ... + 994029.

Almost surely, 2^30814434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30814434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41947776).

30814434 is an abundant number, since it is smaller than the sum of its proper divisors (53081118).

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

30814434 is a wasteful number, since it uses less digits than its factorization.

30814434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 30814434 is about 5551.0750310188. The cubic root of 30814434 is about 313.5100002152.

The spelling of 30814434 in words is "thirty million, eight hundred fourteen thousand, four hundred thirty-four".