4491426 has 16 divisors (see below), whose sum is σ = 9036864. Its totient is φ = 1488144.

The previous prime is 4491419. The next prime is 4491439. The reversal of 4491426 is 6241944.

It is a d-powerful number, because it can be written as 4³ + 4⁷ + 9³ + 1 + 4¹¹ + 2³ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4491393 and 4491402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (564804).

Almost surely, 2^4491426 is an apocalyptic number.

4491426 is an abundant number, since it is smaller than the sum of its proper divisors (4545438).

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

4491426 is a wasteful number, since it uses less digits than its factorization.

4491426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its digits is 6912, while the sum is 30.

The square root of 4491426 is about 2119.2984688335. The cubic root of 4491426 is about 164.9914412457.

The spelling of 4491426 in words is "four million, four hundred ninety-one thousand, four hundred twenty-six".