4400386 has 4 divisors (see below), whose sum is σ = 6600582. Its totient is φ = 2200192.

The previous prime is 4400377. The next prime is 4400387. The reversal of 4400386 is 6830044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 136161 = 2065^2 + 369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4400386.

It is not an unprimeable number, because it can be changed into a prime (4400387) by changing a digit.

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 as a sum of consecutive naturals, namely, 1100095 + ... + 1100098.

Almost surely, 2^4400386 is an apocalyptic number.

4400386 is a deficient number, since it is larger than the sum of its proper divisors (2200196).

4400386 is a wasteful number, since it uses less digits than its factorization.

4400386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200195.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4400386 is about 2097.7097034623. The cubic root of 4400386 is about 163.8690457680.

It can be divided in two parts, 440038 and 6, that added together give a palindrome (440044).

The spelling of 4400386 in words is "four million, four hundred thousand, three hundred eighty-six".