6433630 has 16 divisors (see below), whose sum is σ = 13235040. Its totient is φ = 2205792.

The previous prime is 6433619. The next prime is 6433631. The reversal of 6433630 is 363346.

It is a junction number, because it is equal to n+sod(n) for n = 6433595 and 6433604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6433631) 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, 45885 + ... + 46024.

It is an arithmetic number, because the mean of its divisors is an integer number (827190).

Almost surely, 2^6433630 is an apocalyptic number.

6433630 is an abundant number, since it is smaller than the sum of its proper divisors (6801410).

6433630 is a wasteful number, since it uses less digits than its factorization.

6433630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91923.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 6433630 is about 2536.4601317584. The cubic root of 6433630 is about 185.9881867088.

Adding to 6433630 its reverse (363346), we get a palindrome (6796976).

The spelling of 6433630 in words is "six million, four hundred thirty-three thousand, six hundred thirty".