29021339 has 2 divisors, whose sum is σ = 29021340. Its totient is φ = 29021338.

The previous prime is 29021297. The next prime is 29021351. The reversal of 29021339 is 93312092.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29021339 is a prime.

It is not a weakly prime, because it can be changed into another prime (29021389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14510669 + 14510670.

It is an arithmetic number, because the mean of its divisors is an integer number (14510670).

Almost surely, 2^29021339 is an apocalyptic number.

29021339 is a deficient number, since it is larger than the sum of its proper divisors (1).

29021339 is an equidigital number, since it uses as much as digits as its factorization.

29021339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 29021339 is about 5387.1457192098. The cubic root of 29021339 is about 307.3070206088.

The spelling of 29021339 in words is "twenty-nine million, twenty-one thousand, three hundred thirty-nine".