6634985 has 16 divisors (see below), whose sum is σ = 9144576. Its totient is φ = 4527168.

The previous prime is 6634967. The next prime is 6635003. The reversal of 6634985 is 5894366.

It is an interprime number because it is at equal distance from previous prime (6634967) and next prime (6635003).

It is a cyclic number.

It is not a de Polignac number, because 6634985 - 2⁶ = 6634921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9932 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^6634985 is an apocalyptic number.

It is an amenable number.

6634985 is a deficient number, since it is larger than the sum of its proper divisors (2509591).

6634985 is a wasteful number, since it uses less digits than its factorization.

6634985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952.

The product of its digits is 155520, while the sum is 41.

The square root of 6634985 is about 2575.8464628157. The cubic root of 6634985 is about 187.9085963554.

The spelling of 6634985 in words is "six million, six hundred thirty-four thousand, nine hundred eighty-five".