30608421 has 8 divisors (see below), whose sum is σ = 41679744. Its totient is φ = 19971360.

The previous prime is 30608387. The next prime is 30608429. The reversal of 30608421 is 12480603.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30608421 - 2²¹ = 28511269 is a prime.

It is a super-3 number, since 3×30608421³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30608391 and 30608400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30608429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108400 + ... + 108681.

It is an arithmetic number, because the mean of its divisors is an integer number (5209968).

Almost surely, 2^30608421 is an apocalyptic number.

It is an amenable number.

30608421 is a deficient number, since it is larger than the sum of its proper divisors (11071323).

30608421 is a wasteful number, since it uses less digits than its factorization.

30608421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217131.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30608421 is about 5532.4877767601. The cubic root of 30608421 is about 312.8097698483.

The spelling of 30608421 in words is "thirty million, six hundred eight thousand, four hundred twenty-one".