30199868 has 12 divisors (see below), whose sum is σ = 53124960. Its totient is φ = 15021312.

The previous prime is 30199861. The next prime is 30199879. The reversal of 30199868 is 86899103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30199861) 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, 18788 + ... + 20331.

It is an arithmetic number, because the mean of its divisors is an integer number (4427080).

Almost surely, 2^30199868 is an apocalyptic number.

It is an amenable number.

30199868 is a deficient number, since it is larger than the sum of its proper divisors (22925092).

30199868 is a wasteful number, since it uses less digits than its factorization.

30199868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39316 (or 39314 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 30199868 is about 5495.4406556708. The cubic root of 30199868 is about 311.4117642161.

The spelling of 30199868 in words is "thirty million, one hundred ninety-nine thousand, eight hundred sixty-eight".