30664438 has 8 divisors (see below), whose sum is σ = 52567632. Its totient is φ = 13141896.

The previous prime is 30664427. The next prime is 30664489. The reversal of 30664438 is 83446603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095145 + ... + 1095172.

It is an arithmetic number, because the mean of its divisors is an integer number (6570954).

Almost surely, 2^30664438 is an apocalyptic number.

30664438 is a deficient number, since it is larger than the sum of its proper divisors (21903194).

30664438 is a wasteful number, since it uses less digits than its factorization.

30664438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190326.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 30664438 is about 5537.5480133359. The cubic root of 30664438 is about 313.0004797429. Note that the first 3 decimals are identical.

The spelling of 30664438 in words is "thirty million, six hundred sixty-four thousand, four hundred thirty-eight".