1994609606 has 16 divisors (see below), whose sum is σ = 3264796368. Its totient is φ = 906393600.

The previous prime is 1994609581. The next prime is 1994609623. The reversal of 1994609606 is 6069064991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88466 + ... + 108698.

It is an arithmetic number, because the mean of its divisors is an integer number (204049773).

Almost surely, 2^1994609606 is an apocalyptic number.

1994609606 is a deficient number, since it is larger than the sum of its proper divisors (1270186762).

1994609606 is a wasteful number, since it uses less digits than its factorization.

1994609606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24727.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 1994609606 is about 44661.0524506532. The cubic root of 1994609606 is about 1258.7881196497.

The spelling of 1994609606 in words is "one billion, nine hundred ninety-four million, six hundred nine thousand, six hundred six".