194400002 has 32 divisors (see below), whose sum is σ = 310262400. Its totient is φ = 91168000.

The previous prime is 194399987. The next prime is 194400023. The reversal of 194400002 is 200004491.

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 15 ways as a sum of consecutive naturals, for example, 774377 + ... + 774627.

It is an arithmetic number, because the mean of its divisors is an integer number (9695700).

Almost surely, 2^194400002 is an apocalyptic number.

194400002 is a deficient number, since it is larger than the sum of its proper divisors (115862398).

194400002 is a wasteful number, since it uses less digits than its factorization.

194400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 194400002 is about 13942.7401180686. The cubic root of 194400002 is about 579.2936327500.

Adding to 194400002 its reverse (200004491), we get a palindrome (394404493).

The spelling of 194400002 in words is "one hundred ninety-four million, four hundred thousand, two".