29940187 has 2 divisors, whose sum is σ = 29940188. Its totient is φ = 29940186.

The previous prime is 29940173. The next prime is 29940193. The reversal of 29940187 is 78104992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29940187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29940787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14970093 + 14970094.

It is an arithmetic number, because the mean of its divisors is an integer number (14970094).

Almost surely, 2^29940187 is an apocalyptic number.

29940187 is a deficient number, since it is larger than the sum of its proper divisors (1).

29940187 is an equidigital number, since it uses as much as digits as its factorization.

29940187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 29940187 is about 5471.7626958778. The cubic root of 29940187 is about 310.5166099836.

The spelling of 29940187 in words is "twenty-nine million, nine hundred forty thousand, one hundred eighty-seven".