6433994 has 32 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 2700096.

The previous prime is 6433991. The next prime is 6434011. The reversal of 6433994 is 4993346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6433991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56882 + ... + 56994.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^6433994 is an apocalyptic number.

6433994 is a deficient number, since it is larger than the sum of its proper divisors (5057206).

6433994 is a wasteful number, since it uses less digits than its factorization.

6433994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 205 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 6433994 is about 2536.5318842861. The cubic root of 6433994 is about 185.9916942374.

The spelling of 6433994 in words is "six million, four hundred thirty-three thousand, nine hundred ninety-four".