4449426 has 16 divisors (see below), whose sum is σ = 9050400. Its totient is φ = 1457888.

The previous prime is 4449421. The next prime is 4449433. The reversal of 4449426 is 6249444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5931 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (565650).

Almost surely, 2^4449426 is an apocalyptic number.

4449426 is an abundant number, since it is smaller than the sum of its proper divisors (4600974).

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

4449426 is a wasteful number, since it uses less digits than its factorization.

4449426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633.

The product of its digits is 27648, while the sum is 33.

The square root of 4449426 is about 2109.3662555374. The cubic root of 4449426 is about 164.4755432148.

It can be divided in two parts, 444 and 9426, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 4449426 in words is "four million, four hundred forty-nine thousand, four hundred twenty-six".