30604421 has 16 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 27240048.

The previous prime is 30604411. The next prime is 30604429. The reversal of 30604421 is 12440603.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30604421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30604393 and 30604402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30604429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25190 + ... + 26376.

It is an arithmetic number, because the mean of its divisors is an integer number (2138400).

Almost surely, 2^30604421 is an apocalyptic number.

It is an amenable number.

30604421 is a deficient number, since it is larger than the sum of its proper divisors (3609979).

30604421 is a wasteful number, since it uses less digits than its factorization.

30604421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30604421 is about 5532.1262639242. The cubic root of 30604421 is about 312.7961429493.

The spelling of 30604421 in words is "thirty million, six hundred four thousand, four hundred twenty-one".