5005906 has 4 divisors (see below), whose sum is σ = 7508862. Its totient is φ = 2502952.

The previous prime is 5005883. The next prime is 5005907. The reversal of 5005906 is 6095005.

It is a happy number.

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., 3455881 + 1550025 = 1859^2 + 1245^2 .

It is not an unprimeable number, because it can be changed into a prime (5005907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251475 + ... + 1251478.

Almost surely, 2^5005906 is an apocalyptic number.

5005906 is a deficient number, since it is larger than the sum of its proper divisors (2502956).

5005906 is a wasteful number, since it uses less digits than its factorization.

5005906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502955.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 5005906 is about 2237.3882094979. The cubic root of 5005906 is about 171.0648956289.

The spelling of 5005906 in words is "five million, five thousand, nine hundred six".