994166290 has 64 divisors (see below), whose sum is σ = 2046643200. Its totient is φ = 344448000.

The previous prime is 994166267. The next prime is 994166291. The reversal of 994166290 is 92661499.

It is a super-2 number, since 2×994166290² = 1976733224344728200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 994166290.

It is not an unprimeable number, because it can be changed into a prime (994166291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323415 + ... + 1324165.

It is an arithmetic number, because the mean of its divisors is an integer number (31978800).

Almost surely, 2^994166290 is an apocalyptic number.

994166290 is an abundant number, since it is smaller than the sum of its proper divisors (1052476910).

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

994166290 is a wasteful number, since it uses less digits than its factorization.

994166290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 994166290 is about 31530.4026298428. The cubic root of 994166290 is about 998.0516363445.

The spelling of 994166290 in words is "nine hundred ninety-four million, one hundred sixty-six thousand, two hundred ninety".