29849887 has 2 divisors, whose sum is σ = 29849888. Its totient is φ = 29849886.

The previous prime is 29849881. The next prime is 29849899. The reversal of 29849887 is 78894892.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29849887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29849881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14924943 + 14924944.

It is an arithmetic number, because the mean of its divisors is an integer number (14924944).

Almost surely, 2^29849887 is an apocalyptic number.

29849887 is a deficient number, since it is larger than the sum of its proper divisors (1).

29849887 is an equidigital number, since it uses as much as digits as its factorization.

29849887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The square root of 29849887 is about 5463.5050105221. The cubic root of 29849887 is about 310.2041215487.

The spelling of 29849887 in words is "twenty-nine million, eight hundred forty-nine thousand, eight hundred eighty-seven".