29976689 has 2 divisors, whose sum is σ = 29976690. Its totient is φ = 29976688.

The previous prime is 29976673. The next prime is 29976701. The reversal of 29976689 is 98667992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28976689 + 1000000 = 5383^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 29976689 - 2⁴ = 29976673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29976619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14988344 + 14988345.

It is an arithmetic number, because the mean of its divisors is an integer number (14988345).

Almost surely, 2^29976689 is an apocalyptic number.

It is an amenable number.

29976689 is a deficient number, since it is larger than the sum of its proper divisors (1).

29976689 is an equidigital number, since it uses as much as digits as its factorization.

29976689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 56.

The square root of 29976689 is about 5475.0971680875. The cubic root of 29976689 is about 310.6427489666.

The spelling of 29976689 in words is "twenty-nine million, nine hundred seventy-six thousand, six hundred eighty-nine".