30798384 has 20 divisors (see below), whose sum is σ = 79562616. Its totient is φ = 10266112.

The previous prime is 30798379. The next prime is 30798401. The reversal of 30798384 is 48389703.

It is a super-2 number, since 2×30798384² = 1897080914022912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320769 + ... + 320864.

Almost surely, 2^30798384 is an apocalyptic number.

It is an amenable number.

30798384 is an abundant number, since it is smaller than the sum of its proper divisors (48764232).

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

30798384 is a wasteful number, since it uses less digits than its factorization.

30798384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641644 (or 641638 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 30798384 is about 5549.6291768009. The cubic root of 30798384 is about 313.4555591765.

The spelling of 30798384 in words is "thirty million, seven hundred ninety-eight thousand, three hundred eighty-four".