6645098 has 16 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 3045600.

The previous prime is 6645083. The next prime is 6645131. The reversal of 6645098 is 8905466.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^6645098 is an apocalyptic number.

6645098 is a deficient number, since it is larger than the sum of its proper divisors (4187542).

6645098 is a wasteful number, since it uses less digits than its factorization.

6645098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6645098 is about 2577.8087593924. The cubic root of 6645098 is about 188.0040175692.

The spelling of 6645098 in words is "six million, six hundred forty-five thousand, ninety-eight".