30808406 has 16 divisors (see below), whose sum is σ = 47485440. Its totient is φ = 14984040.

The previous prime is 30808399. The next prime is 30808439. The reversal of 30808406 is 60480803.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15911 + ... + 17741.

It is an arithmetic number, because the mean of its divisors is an integer number (2967840).

Almost surely, 2^30808406 is an apocalyptic number.

30808406 is a deficient number, since it is larger than the sum of its proper divisors (16677034).

30808406 is a wasteful number, since it uses less digits than its factorization.

30808406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 30808406 is about 5550.5320465700. The cubic root of 30808406 is about 313.4895556672.

The spelling of 30808406 in words is "thirty million, eight hundred eight thousand, four hundred six".