60009906 has 16 divisors (see below), whose sum is σ = 130930848. Its totient is φ = 18184800.

The previous prime is 60009889. The next prime is 60009907. The reversal of 60009906 is 60990006.

It is not an unprimeable number, because it can be changed into a prime (60009907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454555 + ... + 454686.

It is an arithmetic number, because the mean of its divisors is an integer number (8183178).

Almost surely, 2^60009906 is an apocalyptic number.

60009906 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

60009906 is an abundant number, since it is smaller than the sum of its proper divisors (70920942).

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

60009906 is a wasteful number, since it uses less digits than its factorization.

60009906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909257.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 60009906 is about 7746.6060955750. The cubic root of 60009906 is about 391.5083077529.

Subtracting 60009906 from its reverse (60990006), we obtain a square (980100 = 990²).

The spelling of 60009906 in words is "sixty million, nine thousand, nine hundred six".