30630430 has 16 divisors (see below), whose sum is σ = 58378320. Its totient is φ = 11531392.

The previous prime is 30630427. The next prime is 30630437. The reversal of 30630430 is 3403603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30630398 and 30630407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30630437) 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, 89920 + ... + 90259.

It is an arithmetic number, because the mean of its divisors is an integer number (3648645).

Almost surely, 2^30630430 is an apocalyptic number.

30630430 is a deficient number, since it is larger than the sum of its proper divisors (27747890).

30630430 is a wasteful number, since it uses less digits than its factorization.

30630430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180203.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30630430 is about 5534.4764883411. The cubic root of 30630430 is about 312.8847272242.

The spelling of 30630430 in words is "thirty million, six hundred thirty thousand, four hundred thirty".