30885894 has 32 divisors (see below), whose sum is σ = 73916640. Its totient is φ = 9503136.

The previous prime is 30885893. The next prime is 30885929. The reversal of 30885894 is 49858803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30885893) 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 15 ways as a sum of consecutive naturals, for example, 21297 + ... + 22700.

It is an arithmetic number, because the mean of its divisors is an integer number (2309895).

Almost surely, 2^30885894 is an apocalyptic number.

30885894 is an abundant number, since it is smaller than the sum of its proper divisors (43030746).

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

30885894 is a wasteful number, since it uses less digits than its factorization.

30885894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021 (or 44015 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 30885894 is about 5557.5078947312. The cubic root of 30885894 is about 313.7521608503.

The spelling of 30885894 in words is "thirty million, eight hundred eighty-five thousand, eight hundred ninety-four".