4381626 has 16 divisors (see below), whose sum is σ = 8807328. Its totient is φ = 1453200.

The previous prime is 4381607. The next prime is 4381667. The reversal of 4381626 is 6261834.

It is a junction number, because it is equal to n+sod(n) for n = 4381593 and 4381602.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 465 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (550458).

Almost surely, 2^4381626 is an apocalyptic number.

4381626 is an abundant number, since it is smaller than the sum of its proper divisors (4425702).

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

4381626 is a wasteful number, since it uses less digits than its factorization.

4381626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its digits is 6912, while the sum is 30.

The square root of 4381626 is about 2093.2333840258. The cubic root of 4381626 is about 163.6358418053.

The spelling of 4381626 in words is "four million, three hundred eighty-one thousand, six hundred twenty-six".