4025626 has 16 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 1784800.

The previous prime is 4025599. The next prime is 4025627. The reversal of 4025626 is 6265204.

It is a self number, because there is not a number n which added to its sum of digits gives 4025626.

It is not an unprimeable number, because it can be changed into a prime (4025627) 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 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

Almost surely, 2^4025626 is an apocalyptic number.

4025626 is a deficient number, since it is larger than the sum of its proper divisors (2723942).

4025626 is a wasteful number, since it uses less digits than its factorization.

4025626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4025626 is about 2006.3962719264. The cubic root of 4025626 is about 159.0783733450.

The spelling of 4025626 in words is "four million, twenty-five thousand, six hundred twenty-six".