234367621 has 4 divisors (see below), whose sum is σ = 234480652. Its totient is φ = 234254592.

The previous prime is 234367619. The next prime is 234367691. The reversal of 234367621 is 126763432.

234367621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46376100 + 187991521 = 6810^2 + 13711^2 .

It is a cyclic number.

It is not a de Polignac number, because 234367621 - 2¹ = 234367619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234367691) 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, 53346 + ... + 57571.

It is an arithmetic number, because the mean of its divisors is an integer number (58620163).

Almost surely, 2^234367621 is an apocalyptic number.

It is an amenable number.

234367621 is a deficient number, since it is larger than the sum of its proper divisors (113031).

234367621 is a wasteful number, since it uses less digits than its factorization.

234367621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113030.

The product of its digits is 36288, while the sum is 34.

The square root of 234367621 is about 15309.0698933671. The cubic root of 234367621 is about 616.5465480511.

The spelling of 234367621 in words is "two hundred thirty-four million, three hundred sixty-seven thousand, six hundred twenty-one".