30785852 has 48 divisors (see below), whose sum is σ = 59673600. Its totient is φ = 13841280.

The previous prime is 30785837. The next prime is 30785863. The reversal of 30785852 is 25858703.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an alternating number because its digits alternate between odd and even.

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, 171899 + ... + 172077.

It is an arithmetic number, because the mean of its divisors is an integer number (1243200).

Almost surely, 2^30785852 is an apocalyptic number.

It is a pronic number, being equal to 5548×5549.

It is an amenable number.

30785852 is a deficient number, since it is larger than the sum of its proper divisors (28887748).

30785852 is a wasteful number, since it uses less digits than its factorization.

30785852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 30785852 is about 5548.4999774714. The cubic root of 30785852 is about 313.4130379196.

The spelling of 30785852 in words is "thirty million, seven hundred eighty-five thousand, eight hundred fifty-two".