4387446 has 80 divisors (see below), whose sum is σ = 11604384. Its totient is φ = 1213056.

The previous prime is 4387441. The next prime is 4387477. The reversal of 4387446 is 6447834.

4387446 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4² + 3¹⁰ + 8 + 7⁶ + 4⁷ + 4¹¹ + 6² .

It is a self number, because there is not a number n which added to its sum of digits gives 4387446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60066 + ... + 60138.

Almost surely, 2^4387446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4387446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5802192).

4387446 is an abundant number, since it is smaller than the sum of its proper divisors (7216938).

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

4387446 is a wasteful number, since it uses less digits than its factorization.

4387446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 138 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 4387446 is about 2094.6231164579. The cubic root of 4387446 is about 163.7082608300.

The spelling of 4387446 in words is "four million, three hundred eighty-seven thousand, four hundred forty-six".