30875384 has 16 divisors (see below), whose sum is σ = 60408720. Its totient is φ = 14766400.

The previous prime is 30875371. The next prime is 30875387. The reversal of 30875384 is 48357803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83717 + ... + 84084.

It is an arithmetic number, because the mean of its divisors is an integer number (3775545).

Almost surely, 2^30875384 is an apocalyptic number.

It is an amenable number.

30875384 is a deficient number, since it is larger than the sum of its proper divisors (29533336).

30875384 is a wasteful number, since it uses less digits than its factorization.

30875384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167830 (or 167826 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 30875384 is about 5556.5622465694. The cubic root of 30875384 is about 313.7165684499.

The spelling of 30875384 in words is "thirty million, eight hundred seventy-five thousand, three hundred eighty-four".