234899689 has 2 divisors, whose sum is σ = 234899690. Its totient is φ = 234899688.

The previous prime is 234899671. The next prime is 234899699. The reversal of 234899689 is 986998432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234549225 + 350464 = 15315^2 + 592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234899689 is a prime.

It is not a weakly prime, because it can be changed into another prime (234899699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117449844 + 117449845.

It is an arithmetic number, because the mean of its divisors is an integer number (117449845).

Almost surely, 2^234899689 is an apocalyptic number.

It is an amenable number.

234899689 is a deficient number, since it is larger than the sum of its proper divisors (1).

234899689 is an equidigital number, since it uses as much as digits as its factorization.

234899689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 58.

The square root of 234899689 is about 15326.4375834699. The cubic root of 234899689 is about 617.0127625599.

The spelling of 234899689 in words is "two hundred thirty-four million, eight hundred ninety-nine thousand, six hundred eighty-nine".