30194868 has 96 divisors (see below), whose sum is σ = 81543168. Its totient is φ = 8611200.

The previous prime is 30194861. The next prime is 30194891. The reversal of 30194868 is 86849103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30194861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192246 + ... + 192402.

It is an arithmetic number, because the mean of its divisors is an integer number (849408).

Almost surely, 2^30194868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30194868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40771584).

30194868 is an abundant number, since it is smaller than the sum of its proper divisors (51348300).

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

30194868 is a wasteful number, since it uses less digits than its factorization.

30194868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 30194868 is about 5494.9857142671. The cubic root of 30194868 is about 311.3945771128.

It can be divided in two parts, 3019 and 4868, that added together give a palindrome (7887).

The spelling of 30194868 in words is "thirty million, one hundred ninety-four thousand, eight hundred sixty-eight".