30900430 has 16 divisors (see below), whose sum is σ = 60677424. Its totient is φ = 11236480.

The previous prime is 30900421. The next prime is 30900437. The reversal of 30900430 is 3400903.

It is a junction number, because it is equal to n+sod(n) for n = 30900398 and 30900407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30900437) by changing a digit.

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, 140347 + ... + 140566.

It is an arithmetic number, because the mean of its divisors is an integer number (3792339).

Almost surely, 2^30900430 is an apocalyptic number.

30900430 is a deficient number, since it is larger than the sum of its proper divisors (29776994).

30900430 is a wasteful number, since it uses less digits than its factorization.

30900430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280931.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30900430 is about 5558.8155213139. The cubic root of 30900430 is about 313.8013741052.

The spelling of 30900430 in words is "thirty million, nine hundred thousand, four hundred thirty".