6469866 has 48 divisors (see below), whose sum is σ = 15471456. Its totient is φ = 1941408.

The previous prime is 6469849. The next prime is 6469867. The reversal of 6469866 is 6689646.

It is not an unprimeable number, because it can be changed into a prime (6469867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9741 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (322322).

Almost surely, 2^6469866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6469866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7735728).

6469866 is an abundant number, since it is smaller than the sum of its proper divisors (9001590).

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

6469866 is a wasteful number, since it uses less digits than its factorization.

6469866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 704 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 6469866 is about 2543.5931278410. The cubic root of 6469866 is about 186.3367123219.

The spelling of 6469866 in words is "six million, four hundred sixty-nine thousand, eight hundred sixty-six".