29942897 has 2 divisors, whose sum is σ = 29942898. Its totient is φ = 29942896.

The previous prime is 29942881. The next prime is 29942911. The reversal of 29942897 is 79824992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 7890481 = 4696^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 29942897 - 2⁴ = 29942881 is a prime.

It is not a weakly prime, because it can be changed into another prime (29942837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14971448 + 14971449.

It is an arithmetic number, because the mean of its divisors is an integer number (14971449).

Almost surely, 2^29942897 is an apocalyptic number.

It is an amenable number.

29942897 is a deficient number, since it is larger than the sum of its proper divisors (1).

29942897 is an equidigital number, since it uses as much as digits as its factorization.

29942897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 29942897 is about 5472.0103252827. The cubic root of 29942897 is about 310.5259783800.

The spelling of 29942897 in words is "twenty-nine million, nine hundred forty-two thousand, eight hundred ninety-seven".