4057626 has 16 divisors (see below), whose sum is σ = 8136000. Its totient is φ = 1349088.

The previous prime is 4057601. The next prime is 4057631. The reversal of 4057626 is 6267504.

It is a junction number, because it is equal to n+sod(n) for n = 4057593 and 4057602.

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, 3030 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (508500).

Almost surely, 2^4057626 is an apocalyptic number.

4057626 is an abundant number, since it is smaller than the sum of its proper divisors (4078374).

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

4057626 is a wasteful number, since it uses less digits than its factorization.

4057626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 4057626 is about 2014.3549836114. The cubic root of 4057626 is about 159.4987699843.

The spelling of 4057626 in words is "four million, fifty-seven thousand, six hundred twenty-six".