6621098 has 16 divisors (see below), whose sum is σ = 11020320. Its totient is φ = 2958000.

The previous prime is 6621071. The next prime is 6621103. The reversal of 6621098 is 8901266.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (688770).

Almost surely, 2^6621098 is an apocalyptic number.

6621098 is a deficient number, since it is larger than the sum of its proper divisors (4399222).

6621098 is a wasteful number, since it uses less digits than its factorization.

6621098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6621098 is about 2573.1494321162. The cubic root of 6621098 is about 187.7774074456. Note that the first 3 decimals are identical.

The spelling of 6621098 in words is "six million, six hundred twenty-one thousand, ninety-eight".