234921887 has 2 divisors, whose sum is σ = 234921888. Its totient is φ = 234921886.

The previous prime is 234921877. The next prime is 234921941. The reversal of 234921887 is 788129432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234921887 - 2⁶ = 234921823 is a prime.

It is a super-3 number, since 3×234921887³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234921877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117460943 + 117460944.

It is an arithmetic number, because the mean of its divisors is an integer number (117460944).

Almost surely, 2^234921887 is an apocalyptic number.

234921887 is a deficient number, since it is larger than the sum of its proper divisors (1).

234921887 is an equidigital number, since it uses as much as digits as its factorization.

234921887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 234921887 is about 15327.1617398656. The cubic root of 234921887 is about 617.0321978317.

The spelling of 234921887 in words is "two hundred thirty-four million, nine hundred twenty-one thousand, eight hundred eighty-seven".