234644881 has 2 divisors, whose sum is σ = 234644882. Its totient is φ = 234644880.

The previous prime is 234644869. The next prime is 234644903. The reversal of 234644881 is 188446432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234579856 + 65025 = 15316^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 234644881 - 2¹¹ = 234642833 is a prime.

It is a super-2 number, since 2×234644881² = 110116440359008322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234644831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117322440 + 117322441.

It is an arithmetic number, because the mean of its divisors is an integer number (117322441).

Almost surely, 2^234644881 is an apocalyptic number.

It is an amenable number.

234644881 is a deficient number, since it is larger than the sum of its proper divisors (1).

234644881 is an equidigital number, since it uses as much as digits as its factorization.

234644881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 40.

The square root of 234644881 is about 15318.1226330122. The cubic root of 234644881 is about 616.7895798173.

The spelling of 234644881 in words is "two hundred thirty-four million, six hundred forty-four thousand, eight hundred eighty-one".