230405764 has 24 divisors (see below), whose sum is σ = 422444288. Its totient is φ = 109818720.

The previous prime is 230405753. The next prime is 230405767. The reversal of 230405764 is 467504032.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (230405767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5559 + ... + 22174.

Almost surely, 2^230405764 is an apocalyptic number.

It is an amenable number.

230405764 is a deficient number, since it is larger than the sum of its proper divisors (192038524).

230405764 is a wasteful number, since it uses less digits than its factorization.

230405764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27835 (or 27833 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 230405764 is about 15179.1226360419. The cubic root of 230405764 is about 613.0526581495.

Adding to 230405764 its reverse (467504032), we get a palindrome (697909796).

The spelling of 230405764 in words is "two hundred thirty million, four hundred five thousand, seven hundred sixty-four".