30950832 has 90 divisors (see below), whose sum is σ = 89106276. Its totient is φ = 9250560.

The previous prime is 30950809. The next prime is 30950837. The reversal of 30950832 is 23805903.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30950832.

It is not an unprimeable number, because it can be changed into a prime (30950837) 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 17 ways as a sum of consecutive naturals, for example, 423948 + ... + 424020.

Almost surely, 2^30950832 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 30950832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44553138).

30950832 is an abundant number, since it is smaller than the sum of its proper divisors (58155444).

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

30950832 is a wasteful number, since it uses less digits than its factorization.

30950832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30950832 is about 5563.3471939112. The cubic root of 30950832 is about 313.9718962771.

Subtracting from 30950832 its reverse (23805903), we obtain a square (7144929 = 2673²).

The spelling of 30950832 in words is "thirty million, nine hundred fifty thousand, eight hundred thirty-two".