30955232 has 96 divisors (see below), whose sum is σ = 80559360. Its totient is φ = 11335680.

The previous prime is 30955229. The next prime is 30955247. The reversal of 30955232 is 23255903.

It is a junction number, because it is equal to n+sod(n) for n = 30955195 and 30955204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41519 + ... + 42257.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^30955232 is an apocalyptic number.

30955232 is a gapful number since it is divisible by the number (32) 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 30955232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40279680).

30955232 is an abundant number, since it is smaller than the sum of its proper divisors (49604128).

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

30955232 is a wasteful number, since it uses less digits than its factorization.

30955232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30955232 is about 5563.7426252479. The cubic root of 30955232 is about 313.9867737542.

The spelling of 30955232 in words is "thirty million, nine hundred fifty-five thousand, two hundred thirty-two".