30630426 has 16 divisors (see below), whose sum is σ = 61344864. Its totient is φ = 10196144.

The previous prime is 30630421. The next prime is 30630427. The reversal of 30630426 is 62403603.

It is a junction number, because it is equal to n+sod(n) for n = 30630396 and 30630405.

It is not an unprimeable number, because it can be changed into a prime (30630421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (3834054).

Almost surely, 2^30630426 is an apocalyptic number.

30630426 is an abundant number, since it is smaller than the sum of its proper divisors (30714438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30630426 is a wasteful number, since it uses less digits than its factorization.

30630426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 30630426 is about 5534.4761269699. The cubic root of 30630426 is about 312.8847136044.

The spelling of 30630426 in words is "thirty million, six hundred thirty thousand, four hundred twenty-six".