234749987 has 2 divisors, whose sum is σ = 234749988. Its totient is φ = 234749986.

The previous prime is 234749981. The next prime is 234750017. The reversal of 234749987 is 789947432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234749987 - 2⁴ = 234749971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234749981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117374993 + 117374994.

It is an arithmetic number, because the mean of its divisors is an integer number (117374994).

Almost surely, 2^234749987 is an apocalyptic number.

234749987 is a deficient number, since it is larger than the sum of its proper divisors (1).

234749987 is an equidigital number, since it uses as much as digits as its factorization.

234749987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 234749987 is about 15321.5530218056. The cubic root of 234749987 is about 616.8816602526.

The spelling of 234749987 in words is "two hundred thirty-four million, seven hundred forty-nine thousand, nine hundred eighty-seven".