30198038 has 8 divisors (see below), whose sum is σ = 48781488. Its totient is φ = 13937544.

The previous prime is 30198013. The next prime is 30198043. The reversal of 30198038 is 83089103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30197995 and 30198013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580706 + ... + 580757.

It is an arithmetic number, because the mean of its divisors is an integer number (6097686).

Almost surely, 2^30198038 is an apocalyptic number.

30198038 is a deficient number, since it is larger than the sum of its proper divisors (18583450).

30198038 is a wasteful number, since it uses less digits than its factorization.

30198038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161478.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 30198038 is about 5495.2741514869. The cubic root of 30198038 is about 311.4054739564.

The spelling of 30198038 in words is "thirty million, one hundred ninety-eight thousand, thirty-eight".