234920747 has 4 divisors (see below), whose sum is σ = 237116376. Its totient is φ = 232725120.

The previous prime is 234920743. The next prime is 234920761. The reversal of 234920747 is 747029432.

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 234920747 - 2² = 234920743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234920747.

It is not an unprimeable number, because it can be changed into a prime (234920743) 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, 1097654 + ... + 1097867.

It is an arithmetic number, because the mean of its divisors is an integer number (59279094).

Almost surely, 2^234920747 is an apocalyptic number.

234920747 is a deficient number, since it is larger than the sum of its proper divisors (2195629).

234920747 is a wasteful number, since it uses less digits than its factorization.

234920747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195628.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 234920747 is about 15327.1245509391. The cubic root of 234920747 is about 617.0311997441.

The spelling of 234920747 in words is "two hundred thirty-four million, nine hundred twenty thousand, seven hundred forty-seven".