994581146 has 32 divisors (see below), whose sum is σ = 1642975488. Its totient is φ = 448718400.

The previous prime is 994581131. The next prime is 994581151. The reversal of 994581146 is 641185499.

It is a self number, because there is not a number n which added to its sum of digits gives 994581146.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421871 + ... + 424221.

It is an arithmetic number, because the mean of its divisors is an integer number (51342984).

Almost surely, 2^994581146 is an apocalyptic number.

994581146 is a deficient number, since it is larger than the sum of its proper divisors (648394342).

994581146 is a wasteful number, since it uses less digits than its factorization.

994581146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726.

The product of its digits is 311040, while the sum is 47.

The square root of 994581146 is about 31536.9806100711. The cubic root of 994581146 is about 998.1904428112.

The spelling of 994581146 in words is "nine hundred ninety-four million, five hundred eighty-one thousand, one hundred forty-six".