230649 has 4 divisors (see below), whose sum is σ = 307536. Its totient is φ = 153764.

The previous prime is 230647. The next prime is 230653. The reversal of 230649 is 946032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230649 - 2¹ = 230647 is a prime.

It is a super-2 number, since 2×230649² = 106397922402, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230647) 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, 38439 + ... + 38444.

It is an arithmetic number, because the mean of its divisors is an integer number (76884).

2²³⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

230649 is a deficient number, since it is larger than the sum of its proper divisors (76887).

230649 is an equidigital number, since it uses as much as digits as its factorization.

230649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76886.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 230649 is about 480.2593049593. The cubic root of 230649 is about 61.3268312525.

The spelling of 230649 in words is "two hundred thirty thousand, six hundred forty-nine".