30108394 has 16 divisors (see below), whose sum is σ = 47925000. Its totient is φ = 14137344.

The previous prime is 30108383. The next prime is 30108413. The reversal of 30108394 is 49380103.

It can be written as a sum of positive squares in 4 ways, for example, as 23280625 + 6827769 = 4825^2 + 2613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23482 + ... + 24730.

Almost surely, 2^30108394 is an apocalyptic number.

30108394 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30108394 is a deficient number, since it is larger than the sum of its proper divisors (17816606).

30108394 is a wasteful number, since it uses less digits than its factorization.

30108394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30108394 is about 5487.1116263477. Note that the first 3 decimals coincide. The cubic root of 30108394 is about 311.0970289639.

Adding to 30108394 its reverse (49380103), we get a palindrome (79488497).

The spelling of 30108394 in words is "thirty million, one hundred eight thousand, three hundred ninety-four".