234621 has 12 divisors (see below), whose sum is σ = 343200. Its totient is φ = 154440.

The previous prime is 234613. The next prime is 234629. The reversal of 234621 is 126432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (234613) and next prime (234629).

It is not a de Polignac number, because 234621 - 2³ = 234613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234594 and 234603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (28600).

2²³⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

234621 is a deficient number, since it is larger than the sum of its proper divisors (108579).

234621 is a wasteful number, since it uses less digits than its factorization.

234621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 234621 is about 484.3769193510. The cubic root of 234621 is about 61.6768654506.

The spelling of 234621 in words is "two hundred thirty-four thousand, six hundred twenty-one".