29942039 has 2 divisors, whose sum is σ = 29942040. Its totient is φ = 29942038.

The previous prime is 29942023. The next prime is 29942051. The reversal of 29942039 is 93024992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29942039 - 2⁴ = 29942023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29941993 and 29942011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29942069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14971019 + 14971020.

It is an arithmetic number, because the mean of its divisors is an integer number (14971020).

Almost surely, 2^29942039 is an apocalyptic number.

29942039 is a deficient number, since it is larger than the sum of its proper divisors (1).

29942039 is an equidigital number, since it uses as much as digits as its factorization.

29942039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 29942039 is about 5471.9319257462. The cubic root of 29942039 is about 310.5230123585.

The spelling of 29942039 in words is "twenty-nine million, nine hundred forty-two thousand, thirty-nine".