6403230 has 24 divisors (see below), whose sum is σ = 16648632. Its totient is φ = 1707504.

The previous prime is 6403219. The next prime is 6403273. The reversal of 6403230 is 323046.

6403230 is a `hidden beast` number, since 640 + 3 + 23 + 0 = 666.

It is a super-4 number, since 4×6403230⁴ (a number of 28 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35484 + ... + 35663.

It is an arithmetic number, because the mean of its divisors is an integer number (693693).

Almost surely, 2^6403230 is an apocalyptic number.

6403230 is an abundant number, since it is smaller than the sum of its proper divisors (10245402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6403230 is a wasteful number, since it uses less digits than its factorization.

6403230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71160 (or 71157 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 6403230 is about 2530.4604324115. The cubic root of 6403230 is about 185.6947821164.

Adding to 6403230 its reverse (323046), we get a palindrome (6726276).

The spelling of 6403230 in words is "six million, four hundred three thousand, two hundred thirty".