6861066 has 16 divisors (see below), whose sum is σ = 13749024. Its totient is φ = 2282544.

The previous prime is 6861053. The next prime is 6861067. The reversal of 6861066 is 6601686.

It is not an unprimeable number, because it can be changed into a prime (6861067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (859314).

Almost surely, 2^6861066 is an apocalyptic number.

6861066 is an abundant number, since it is smaller than the sum of its proper divisors (6887958).

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

6861066 is a wasteful number, since it uses less digits than its factorization.

6861066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6861066 is about 2619.3636631823. The cubic root of 6861066 is about 190.0190747239.

The spelling of 6861066 in words is "six million, eight hundred sixty-one thousand, sixty-six".