30960842 has 32 divisors (see below), whose sum is σ = 56479680. Its totient is φ = 12545280.

The previous prime is 30960841. The next prime is 30960857. The reversal of 30960842 is 24806903.

It is a junction number, because it is equal to n+sod(n) for n = 30960799 and 30960808.

It is not an unprimeable number, because it can be changed into a prime (30960841) 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 15 ways as a sum of consecutive naturals, for example, 4928 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (1764990).

Almost surely, 2^30960842 is an apocalyptic number.

30960842 is a deficient number, since it is larger than the sum of its proper divisors (25518838).

30960842 is a wasteful number, since it uses less digits than its factorization.

30960842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30960842 is about 5564.2467594455. The cubic root of 30960842 is about 314.0057404930.

The spelling of 30960842 in words is "thirty million, nine hundred sixty thousand, eight hundred forty-two".