30164438 has 24 divisors (see below), whose sum is σ = 48966120. Its totient is φ = 13926240.

The previous prime is 30164417. The next prime is 30164447. The reversal of 30164438 is 83446103.

It is a self number, because there is not a number n which added to its sum of digits gives 30164438.

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 11 ways as a sum of consecutive naturals, for example, 29093 + ... + 30111.

It is an arithmetic number, because the mean of its divisors is an integer number (2040255).

Almost surely, 2^30164438 is an apocalyptic number.

30164438 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30164438 is a deficient number, since it is larger than the sum of its proper divisors (18801682).

30164438 is a wasteful number, since it uses less digits than its factorization.

30164438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30164438 is about 5492.2161283038. The cubic root of 30164438 is about 311.2899354681.

The spelling of 30164438 in words is "thirty million, one hundred sixty-four thousand, four hundred thirty-eight".