8469864 has 48 divisors (see below), whose sum is σ = 24706500. Its totient is φ = 2605824.

The previous prime is 8469847. The next prime is 8469869. The reversal of 8469864 is 4689648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8468100 + 1764 = 2910^2 + 42^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8469869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3589 + ... + 5460.

Almost surely, 2^8469864 is an apocalyptic number.

It is an amenable number.

8469864 is an abundant number, since it is smaller than the sum of its proper divisors (16236636).

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

8469864 is a wasteful number, since it uses less digits than its factorization.

8469864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074 (or 9067 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 8469864 is about 2910.3030770007. The cubic root of 8469864 is about 203.8412836985.

The spelling of 8469864 in words is "eight million, four hundred sixty-nine thousand, eight hundred sixty-four".