994186404 has 36 divisors (see below), whose sum is σ = 2528145984. Its totient is φ = 329409072.

The previous prime is 994186387. The next prime is 994186429. The reversal of 994186404 is 404681499.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 994186404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76672 + ... + 88695.

Almost surely, 2^994186404 is an apocalyptic number.

It is an amenable number.

994186404 is an abundant number, since it is smaller than the sum of its proper divisors (1533959580).

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

994186404 is a wasteful number, since it uses less digits than its factorization.

994186404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165544 (or 165539 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 994186404 is about 31530.7215902205. The cubic root of 994186404 is about 998.0583671686.

The spelling of 994186404 in words is "nine hundred ninety-four million, one hundred eighty-six thousand, four hundred four".