4446864 has 30 divisors (see below), whose sum is σ = 12445446. Its totient is φ = 1482240.

The previous prime is 4446863. The next prime is 4446887. The reversal of 4446864 is 4686444.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 36864 = 2100^2 + 192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (4446863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15297 + ... + 15584.

Almost surely, 2^4446864 is an apocalyptic number.

It is an amenable number.

4446864 is an abundant number, since it is smaller than the sum of its proper divisors (7998582).

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

4446864 is a wasteful number, since it uses less digits than its factorization.

4446864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895 (or 30886 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 4446864 is about 2108.7588766855. The cubic root of 4446864 is about 164.4439685618.

The spelling of 4446864 in words is "four million, four hundred forty-six thousand, eight hundred sixty-four".