30957850 has 144 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 8870400.

The previous prime is 30957811. The next prime is 30957851. The reversal of 30957850 is 5875903.

It is not an unprimeable number, because it can be changed into a prime (30957851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 719929 + ... + 719971.

It is an arithmetic number, because the mean of its divisors is an integer number (544236).

Almost surely, 2^30957850 is an apocalyptic number.

30957850 is an abundant number, since it is smaller than the sum of its proper divisors (47412134).

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

30957850 is a wasteful number, since it uses less digits than its factorization.

30957850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 30957850 is about 5563.9778935578. The cubic root of 30957850 is about 313.9956251842.

The spelling of 30957850 in words is "thirty million, nine hundred fifty-seven thousand, eight hundred fifty".