4321026 has 48 divisors (see below), whose sum is σ = 10299744. Its totient is φ = 1353024.

The previous prime is 4321019. The next prime is 4321049. The reversal of 4321026 is 6201234.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8001 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (214578).

Almost surely, 2^4321026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4321026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5149872).

4321026 is an abundant number, since it is smaller than the sum of its proper divisors (5978718).

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

4321026 is a wasteful number, since it uses less digits than its factorization.

4321026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4321026 is about 2078.7077716697. The cubic root of 4321026 is about 162.8779494588.

The spelling of 4321026 in words is "four million, three hundred twenty-one thousand, twenty-six".