2446444 has 72 divisors (see below), whose sum is σ = 5902848. Its totient is φ = 861120.

The previous prime is 2446439. The next prime is 2446463. The reversal of 2446444 is 4446442.

2446444 = 27² + 28² + ... + 194².

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52029 + ... + 52075.

It is an arithmetic number, because the mean of its divisors is an integer number (81984).

2^2446444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2446444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2951424).

2446444 is an abundant number, since it is smaller than the sum of its proper divisors (3456404).

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

2446444 is a wasteful number, since it uses less digits than its factorization.

2446444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 80 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2446444 is about 1564.1112492403. Note that the first 3 decimals coincide. The cubic root of 2446444 is about 134.7447210583.

The spelling of 2446444 in words is "two million, four hundred forty-six thousand, four hundred forty-four".