30630929 has 8 divisors (see below), whose sum is σ = 35721600. Its totient is φ = 26254788.

The previous prime is 30630913. The next prime is 30630947. The reversal of 30630929 is 92903603.

It is not a de Polignac number, because 30630929 - 2⁴ = 30630913 is a prime.

It is a super-2 number, since 2×30630929² = 1876507622806082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30630895 and 30630904.

It is not an unprimeable number, because it can be changed into a prime (30630959) 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, 44309 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (4465200).

Almost surely, 2^30630929 is an apocalyptic number.

It is an amenable number.

30630929 is a deficient number, since it is larger than the sum of its proper divisors (5090671).

30630929 is an frugal number, since it uses more digits than its factorization.

30630929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89324 (or 89310 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 30630929 is about 5534.5215692054. The cubic root of 30630929 is about 312.8864262822.

The spelling of 30630929 in words is "thirty million, six hundred thirty thousand, nine hundred twenty-nine".