29940887 has 2 divisors, whose sum is σ = 29940888. Its totient is φ = 29940886.

The previous prime is 29940829. The next prime is 29940901. The reversal of 29940887 is 78804992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29940887 - 2¹⁸ = 29678743 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 (29940187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14970443 + 14970444.

It is an arithmetic number, because the mean of its divisors is an integer number (14970444).

Almost surely, 2^29940887 is an apocalyptic number.

29940887 is a deficient number, since it is larger than the sum of its proper divisors (1).

29940887 is an equidigital number, since it uses as much as digits as its factorization.

29940887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 29940887 is about 5471.8266602662. The cubic root of 29940887 is about 310.5190299187.

The spelling of 29940887 in words is "twenty-nine million, nine hundred forty thousand, eight hundred eighty-seven".