4400046 has 48 divisors (see below), whose sum is σ = 11142144. Its totient is φ = 1228752.

The previous prime is 4400041. The next prime is 4400069. The reversal of 4400046 is 6400044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5551 + ... + 6293.

It is an arithmetic number, because the mean of its divisors is an integer number (232128).

Almost surely, 2^4400046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5571072).

4400046 is an abundant number, since it is smaller than the sum of its proper divisors (6742098).

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

4400046 is a wasteful number, since it uses less digits than its factorization.

4400046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4400046 is about 2097.6286611314. The cubic root of 4400046 is about 163.8648251602.

The spelling of 4400046 in words is "four million, four hundred thousand, forty-six".