30955164 has 48 divisors (see below), whose sum is σ = 78363936. Its totient is φ = 9472000.

The previous prime is 30955159. The next prime is 30955189. The reversal of 30955164 is 46155903.

It is a happy 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, 6514 + ... + 10214.

It is an arithmetic number, because the mean of its divisors is an integer number (1632582).

Almost surely, 2^30955164 is an apocalyptic number.

30955164 is a gapful number since it is divisible by the number (34) 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 30955164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39181968).

30955164 is an abundant number, since it is smaller than the sum of its proper divisors (47408772).

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

30955164 is a wasteful number, since it uses less digits than its factorization.

30955164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 30955164 is about 5563.7365142501. The cubic root of 30955164 is about 313.9865438403.

The spelling of 30955164 in words is "thirty million, nine hundred fifty-five thousand, one hundred sixty-four".