6634018 has 4 divisors (see below), whose sum is σ = 9951030. Its totient is φ = 3317008.

The previous prime is 6634013. The next prime is 6634039. The reversal of 6634018 is 8104366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6620329 + 13689 = 2573^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (6634013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1658503 + ... + 1658506.

Almost surely, 2^6634018 is an apocalyptic number.

6634018 is a deficient number, since it is larger than the sum of its proper divisors (3317012).

6634018 is a wasteful number, since it uses less digits than its factorization.

6634018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317011.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6634018 is about 2575.6587506888. The cubic root of 6634018 is about 187.8994671491.

The spelling of 6634018 in words is "six million, six hundred thirty-four thousand, eighteen".