30198104 has 8 divisors (see below), whose sum is σ = 56621460. Its totient is φ = 15099048.

The previous prime is 30198101. The next prime is 30198143. The reversal of 30198104 is 40189103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30198101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887374 + ... + 1887389.

Almost surely, 2^30198104 is an apocalyptic number.

It is an amenable number.

30198104 is a deficient number, since it is larger than the sum of its proper divisors (26423356).

30198104 is a wasteful number, since it uses less digits than its factorization.

30198104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774769 (or 3774765 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 30198104 is about 5495.2801566435. The cubic root of 30198104 is about 311.4057008227.

Subtracting 30198104 from its reverse (40189103), we obtain a palindrome (9990999).

The spelling of 30198104 in words is "thirty million, one hundred ninety-eight thousand, one hundred four".