6433861 has 8 divisors (see below), whose sum is σ = 7387200. Its totient is φ = 5489088.

The previous prime is 6433841. The next prime is 6433909. The reversal of 6433861 is 1683346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6433861 - 2⁷ = 6433733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6433831) 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, 436 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^6433861 is an apocalyptic number.

It is an amenable number.

6433861 is a deficient number, since it is larger than the sum of its proper divisors (953339).

6433861 is a wasteful number, since it uses less digits than its factorization.

6433861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283.

The product of its digits is 10368, while the sum is 31.

The square root of 6433861 is about 2536.5056672517. The cubic root of 6433861 is about 185.9904126557.

The spelling of 6433861 in words is "six million, four hundred thirty-three thousand, eight hundred sixty-one".