1994204395 has 8 divisors (see below), whose sum is σ = 2396000880. Its totient is φ = 1593393120.

The previous prime is 1994204393. The next prime is 1994204441. The reversal of 1994204395 is 5934024991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1994204395 - 2¹ = 1994204393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994204393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241840 + ... + 249949.

It is an arithmetic number, because the mean of its divisors is an integer number (299500110).

Almost surely, 2^1994204395 is an apocalyptic number.

1994204395 is a deficient number, since it is larger than the sum of its proper divisors (401796485).

1994204395 is an equidigital number, since it uses as much as digits as its factorization.

1994204395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492605.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 1994204395 is about 44656.5157059975. The cubic root of 1994204395 is about 1258.7028716667.

The spelling of 1994204395 in words is "one billion, nine hundred ninety-four million, two hundred four thousand, three hundred ninety-five".