30804408 has 64 divisors (see below), whose sum is σ = 90612000. Its totient is φ = 9662976.

The previous prime is 30804373. The next prime is 30804427. The reversal of 30804408 is 80440803.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523 + ... + 7866.

Almost surely, 2^30804408 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 30804408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45306000).

30804408 is an abundant number, since it is smaller than the sum of its proper divisors (59807592).

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

30804408 is a wasteful number, since it uses less digits than its factorization.

30804408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8421 (or 8411 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 30804408 is about 5550.1718892301. The cubic root of 30804408 is about 313.4759945906.

The spelling of 30804408 in words is "thirty million, eight hundred four thousand, four hundred eight".