4009446 has 32 divisors (see below), whose sum is σ = 10183680. Its totient is φ = 1145448.

The previous prime is 4009417. The next prime is 4009451. The reversal of 4009446 is 6449004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (318240).

Almost surely, 2^4009446 is an apocalyptic number.

4009446 is an abundant number, since it is smaller than the sum of its proper divisors (6174234).

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

4009446 is a wasteful number, since it uses less digits than its factorization.

4009446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625 (or 10619 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4009446 is about 2002.3601074732. The cubic root of 4009446 is about 158.8649618848.

The spelling of 4009446 in words is "four million, nine thousand, four hundred forty-six".