6981550 has 24 divisors (see below), whose sum is σ = 13671000. Its totient is φ = 2645280.

The previous prime is 6981539. The next prime is 6981551. The reversal of 6981550 is 551896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981551) 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 11 ways as a sum of consecutive naturals, for example, 2725 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (569625).

Almost surely, 2^6981550 is an apocalyptic number.

6981550 is a deficient number, since it is larger than the sum of its proper divisors (6689450).

6981550 is a wasteful number, since it uses less digits than its factorization.

6981550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 6981550 is about 2642.2622882674. The cubic root of 6981550 is about 191.1249057356.

The spelling of 6981550 in words is "six million, nine hundred eighty-one thousand, five hundred fifty".