234216739 has 4 divisors (see below), whose sum is σ = 234322056. Its totient is φ = 234111424.

The previous prime is 234216737. The next prime is 234216779. The reversal of 234216739 is 937612432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234216739 - 2¹ = 234216737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234216698 and 234216707.

It is not an unprimeable number, because it can be changed into a prime (234216737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49249 + ... + 53794.

It is an arithmetic number, because the mean of its divisors is an integer number (58580514).

Almost surely, 2^234216739 is an apocalyptic number.

234216739 is a deficient number, since it is larger than the sum of its proper divisors (105317).

234216739 is a wasteful number, since it uses less digits than its factorization.

234216739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105316.

The product of its digits is 54432, while the sum is 37.

The square root of 234216739 is about 15304.1412369332. The cubic root of 234216739 is about 616.4142121567.

It can be divided in two parts, 234216 and 739, that added together give a triangular number (234955 = T₆₈₅).

The spelling of 234216739 in words is "two hundred thirty-four million, two hundred sixteen thousand, seven hundred thirty-nine".