30960969 has 24 divisors (see below), whose sum is σ = 45325440. Its totient is φ = 18787392.

The previous prime is 30960959. The next prime is 30961019. The reversal of 30960969 is 96906903.

It is not a de Polignac number, because 30960969 - 2⁴ = 30960953 is a prime.

It is a super-2 number, since 2×30960969² = 1917163202837922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30960969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30960929) 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 23 ways as a sum of consecutive naturals, for example, 39667 + ... + 40439.

It is an arithmetic number, because the mean of its divisors is an integer number (1888560).

Almost surely, 2^30960969 is an apocalyptic number.

30960969 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30960969 is a deficient number, since it is larger than the sum of its proper divisors (14364471).

30960969 is a wasteful number, since it uses less digits than its factorization.

30960969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 30960969 is about 5564.2581715805. The cubic root of 30960969 is about 314.0061698383.

The spelling of 30960969 in words is "thirty million, nine hundred sixty thousand, nine hundred sixty-nine".