4402026 has 40 divisors (see below), whose sum is σ = 10214820. Its totient is φ = 1415232.

The previous prime is 4402019. The next prime is 4402033. The reversal of 4402026 is 6202044.

It is an interprime number because it is at equal distance from previous prime (4402019) and next prime (4402033).

It can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 301401 = 2025^2 + 549^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4230 + ... + 5166.

Almost surely, 2^4402026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4402026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5107410).

4402026 is an abundant number, since it is smaller than the sum of its proper divisors (5812794).

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

4402026 is a wasteful number, since it uses less digits than its factorization.

4402026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4402026 is about 2098.1005695629. The cubic root of 4402026 is about 163.8894009411.

Adding to 4402026 its sum of digits (18), we get a palindrome (4402044).

The spelling of 4402026 in words is "four million, four hundred two thousand, twenty-six".