6433634 has 16 divisors (see below), whose sum is σ = 9980928. Its totient is φ = 3107952.

The previous prime is 6433631. The next prime is 6433643. The reversal of 6433634 is 4363346.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6433597 and 6433606.

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, 16607 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (623808).

Almost surely, 2^6433634 is an apocalyptic number.

6433634 is a deficient number, since it is larger than the sum of its proper divisors (3547294).

6433634 is a wasteful number, since it uses less digits than its factorization.

6433634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its digits is 15552, while the sum is 29.

The square root of 6433634 is about 2536.4609202588. The cubic root of 6433634 is about 185.9882252538.

The spelling of 6433634 in words is "six million, four hundred thirty-three thousand, six hundred thirty-four".