1994784902 has 16 divisors (see below), whose sum is σ = 3310170624. Its totient is φ = 893949000.

The previous prime is 1994784893. The next prime is 1994784919. The reversal of 1994784902 is 2094874991.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 636974 + ... + 640097.

It is an arithmetic number, because the mean of its divisors is an integer number (206885664).

Almost surely, 2^1994784902 is an apocalyptic number.

1994784902 is a deficient number, since it is larger than the sum of its proper divisors (1315385722).

1994784902 is a wasteful number, since it uses less digits than its factorization.

1994784902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277155.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1994784902 is about 44663.0149228643. The cubic root of 1994784902 is about 1258.8249947117.

The spelling of 1994784902 in words is "one billion, nine hundred ninety-four million, seven hundred eighty-four thousand, nine hundred two".