4521426 has 64 divisors (see below), whose sum is σ = 11424000. Its totient is φ = 1192464.

The previous prime is 4521421. The next prime is 4521427. The reversal of 4521426 is 6241254.

It is a junction number, because it is equal to n+sod(n) for n = 4521396 and 4521405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347796 + ... + 347808.

It is an arithmetic number, because the mean of its divisors is an integer number (178500).

Almost surely, 2^4521426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5712000).

4521426 is an abundant number, since it is smaller than the sum of its proper divisors (6902574).

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

4521426 is an equidigital number, since it uses as much as digits as its factorization.

4521426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 25 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 4521426 is about 2126.3645030897. The cubic root of 4521426 is about 165.3579739477.

The spelling of 4521426 in words is "four million, five hundred twenty-one thousand, four hundred twenty-six".