4388946 has 16 divisors (see below), whose sum is σ = 8877600. Its totient is φ = 1446368.

The previous prime is 4388911. The next prime is 4388971. The reversal of 4388946 is 6498834.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁷ + 3¹¹ + 8³ + 8³ + 9² + 4¹¹ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 4388898 and 4388907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576 + ... + 4643.

It is an arithmetic number, because the mean of its divisors is an integer number (554850).

Almost surely, 2^4388946 is an apocalyptic number.

4388946 is an abundant number, since it is smaller than the sum of its proper divisors (4488654).

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

4388946 is a wasteful number, since it uses less digits than its factorization.

4388946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313.

The product of its digits is 165888, while the sum is 42.

The square root of 4388946 is about 2094.9811454999. The cubic root of 4388946 is about 163.7269151460.

The spelling of 4388946 in words is "four million, three hundred eighty-eight thousand, nine hundred forty-six".