234786649 has 2 divisors, whose sum is σ = 234786650. Its totient is φ = 234786648.

The previous prime is 234786641. The next prime is 234786659. The reversal of 234786649 is 946687432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180499225 + 54287424 = 13435^2 + 7368^2 .

It is a cyclic number.

It is not a de Polignac number, because 234786649 - 2³ = 234786641 is a prime.

It is not a weakly prime, because it can be changed into another prime (234786641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117393324 + 117393325.

It is an arithmetic number, because the mean of its divisors is an integer number (117393325).

Almost surely, 2^234786649 is an apocalyptic number.

It is an amenable number.

234786649 is a deficient number, since it is larger than the sum of its proper divisors (1).

234786649 is an equidigital number, since it uses as much as digits as its factorization.

234786649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The square root of 234786649 is about 15322.7493942830. The cubic root of 234786649 is about 616.9137723427.

The spelling of 234786649 in words is "two hundred thirty-four million, seven hundred eighty-six thousand, six hundred forty-nine".