30394080 has 72 divisors (see below), whose sum is σ = 103724712. Its totient is φ = 8104704.

The previous prime is 30394073. The next prime is 30394127. The reversal of 30394080 is 8049303.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9114 + ... + 11993.

It is an arithmetic number, because the mean of its divisors is an integer number (1440621).

Almost surely, 2^30394080 is an apocalyptic number.

30394080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30394080 is an abundant number, since it is smaller than the sum of its proper divisors (73330632).

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

30394080 is a wasteful number, since it uses less digits than its factorization.

30394080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21128 (or 21117 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30394080 is about 5513.0826222722. The cubic root of 30394080 is about 312.0778898236.

The spelling of 30394080 in words is "thirty million, three hundred ninety-four thousand, eighty".