30964949 has 4 divisors (see below), whose sum is σ = 31033164. Its totient is φ = 30896736.

The previous prime is 30964943. The next prime is 30964961. The reversal of 30964949 is 94946903.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94946903 = 53 ⋅1791451.

It can be written as a sum of positive squares in 2 ways, for example, as 28462225 + 2502724 = 5335^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 30964949 - 2⁴ = 30964933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30964943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33422 + ... + 34335.

It is an arithmetic number, because the mean of its divisors is an integer number (7758291).

Almost surely, 2^30964949 is an apocalyptic number.

It is an amenable number.

30964949 is a deficient number, since it is larger than the sum of its proper divisors (68215).

30964949 is an equidigital number, since it uses as much as digits as its factorization.

30964949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68214.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 30964949 is about 5564.6157998554. The cubic root of 30964949 is about 314.0196243161.

It can be divided in two parts, 30964 and 949, that added together give a palindrome (31913).

The spelling of 30964949 in words is "thirty million, nine hundred sixty-four thousand, nine hundred forty-nine".