29896939 has 2 divisors, whose sum is σ = 29896940. Its totient is φ = 29896938.

The previous prime is 29896903. The next prime is 29896957. The reversal of 29896939 is 93969892.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29896939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29896939.

It is not a weakly prime, because it can be changed into another prime (29896439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14948469 + 14948470.

It is an arithmetic number, because the mean of its divisors is an integer number (14948470).

Almost surely, 2^29896939 is an apocalyptic number.

29896939 is a deficient number, since it is larger than the sum of its proper divisors (1).

29896939 is an equidigital number, since it uses as much as digits as its factorization.

29896939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 55.

The square root of 29896939 is about 5467.8093419577. The cubic root of 29896939 is about 310.3670262638.

The spelling of 29896939 in words is "twenty-nine million, eight hundred ninety-six thousand, nine hundred thirty-nine".