4406436 has 18 divisors (see below), whose sum is σ = 11138582. Its totient is φ = 1468800.

The previous prime is 4406431. The next prime is 4406449. The reversal of 4406436 is 6346044.

4406436 = 21² + 22² + ... + 236².

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 1664100 = 1656^2 + 1290^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (4406431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61165 + ... + 61236.

Almost surely, 2^4406436 is an apocalyptic number.

It is an amenable number.

4406436 is an abundant number, since it is smaller than the sum of its proper divisors (6732146).

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

4406436 is a wasteful number, since it uses less digits than its factorization.

4406436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122411 (or 122406 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 4406436 is about 2099.1512570561. The cubic root of 4406436 is about 163.9441114341.

It can be divided in two parts, 44064 and 36, that added together give a square (44100 = 210²).

The spelling of 4406436 in words is "four million, four hundred six thousand, four hundred thirty-six".