30353934 has 32 divisors (see below), whose sum is σ = 66042144. Its totient is φ = 9244800.

The previous prime is 30353863. The next prime is 30353941. The reversal of 30353934 is 43935303.

It is a super-2 number, since 2×30353934² = 1842722618552712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5952 + ... + 9804.

It is an arithmetic number, because the mean of its divisors is an integer number (2063817).

Almost surely, 2^30353934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30353934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33021072).

30353934 is an abundant number, since it is smaller than the sum of its proper divisors (35688210).

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

30353934 is a wasteful number, since it uses less digits than its factorization.

30353934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 14580, while the sum is 30.

The square root of 30353934 is about 5509.4404434570. The cubic root of 30353934 is about 311.9404266600.

The spelling of 30353934 in words is "thirty million, three hundred fifty-three thousand, nine hundred thirty-four".