Adding to 4400742 its reverse (2470044), we get a palindrome (6870786).
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 24400742 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4400742 is a wasteful number, since it uses less digits than its factorization.
4400742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38627.
The square root of 4400742 is about 2097.7945561947. The cubic root of 4400742 is about 163.8734647597.
The spelling of 4400742 in words is "four million, four hundred thousand, seven hundred forty-two".