990990106 has 16 divisors (see below), whose sum is σ = 1566538560. Its totient is φ = 468871200.

The previous prime is 990990103. The next prime is 990990107. The reversal of 990990106 is 601099099.

990990106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×990990106³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (990990103) 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, 19006 + ... + 48406.

It is an arithmetic number, because the mean of its divisors is an integer number (97908660).

Almost surely, 2^990990106 is an apocalyptic number.

990990106 is a deficient number, since it is larger than the sum of its proper divisors (575548454).

990990106 is a wasteful number, since it uses less digits than its factorization.

990990106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30309.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 990990106 is about 31479.9953303681. The cubic root of 990990106 is about 996.9876367796.

The spelling of 990990106 in words is "nine hundred ninety million, nine hundred ninety thousand, one hundred six".