4009628 has 24 divisors (see below), whose sum is σ = 8114400. Its totient is φ = 1698048.

The previous prime is 4009619. The next prime is 4009631. The reversal of 4009628 is 8269004.

It is a self number, because there is not a number n which added to its sum of digits gives 4009628.

It is a congruent number.

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, 1688 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (338100).

Almost surely, 2^4009628 is an apocalyptic number.

It is an amenable number.

4009628 is an abundant number, since it is smaller than the sum of its proper divisors (4104772).

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

4009628 is a wasteful number, since it uses less digits than its factorization.

4009628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4009628 is about 2002.4055533283. The cubic root of 4009628 is about 158.8673656238.

The spelling of 4009628 in words is "four million, nine thousand, six hundred twenty-eight".