6985550 has 48 divisors (see below), whose sum is σ = 15280272. Its totient is φ = 2342400.

The previous prime is 6985523. The next prime is 6985553. The reversal of 6985550 is 555896.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6662 + ... + 7638.

It is an arithmetic number, because the mean of its divisors is an integer number (318339).

Almost surely, 2^6985550 is an apocalyptic number.

6985550 is an abundant number, since it is smaller than the sum of its proper divisors (8294722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6985550 is a wasteful number, since it uses less digits than its factorization.

6985550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 6985550 is about 2643.0191070062. The cubic root of 6985550 is about 191.1613997169.

The spelling of 6985550 in words is "six million, nine hundred eighty-five thousand, five hundred fifty".