4406506 has 12 divisors (see below), whose sum is σ = 7157862. Its totient is φ = 2033616.

The previous prime is 4406503. The next prime is 4406509. The reversal of 4406506 is 6056044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4406503) and next prime (4406509).

It can be written as a sum of positive squares in 3 ways, for example, as 2608225 + 1798281 = 1615^2 + 1341^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4406503) 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, 6181 + ... + 6856.

Almost surely, 2^4406506 is an apocalyptic number.

4406506 is a deficient number, since it is larger than the sum of its proper divisors (2751356).

4406506 is a wasteful number, since it uses less digits than its factorization.

4406506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065 (or 13052 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4406506 is about 2099.1679303953. The cubic root of 4406506 is about 163.9449795603.

The spelling of 4406506 in words is "four million, four hundred six thousand, five hundred six".