6670989 has 48 divisors (see below), whose sum is σ = 11286912. Its totient is φ = 3763584.

The previous prime is 6670973. The next prime is 6671003. The reversal of 6670989 is 9890766.

It is not a de Polignac number, because 6670989 - 2⁴ = 6670973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99534 + ... + 99600.

It is an arithmetic number, because the mean of its divisors is an integer number (235144).

Almost surely, 2^6670989 is an apocalyptic number.

6670989 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6670989 is a deficient number, since it is larger than the sum of its proper divisors (4615923).

6670989 is a wasteful number, since it uses less digits than its factorization.

6670989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 6670989 is about 2582.8257780965. The cubic root of 6670989 is about 188.2478717028.

The spelling of 6670989 in words is "six million, six hundred seventy thousand, nine hundred eighty-nine".