1994407267 has 8 divisors (see below), whose sum is σ = 2041138800. Its totient is φ = 1948106784.

The previous prime is 1994407213. The next prime is 1994407271. The reversal of 1994407267 is 7627044991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1994407267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1994407267.

It is not an unprimeable number, because it can be changed into a prime (1994405267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98392 + ... + 116917.

It is an arithmetic number, because the mean of its divisors is an integer number (255142350).

Almost surely, 2^1994407267 is an apocalyptic number.

1994407267 is a deficient number, since it is larger than the sum of its proper divisors (46731533).

1994407267 is a wasteful number, since it uses less digits than its factorization.

1994407267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215525.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 1994407267 is about 44658.7871196700. The cubic root of 1994407267 is about 1258.7455531676.

The spelling of 1994407267 in words is "one billion, nine hundred ninety-four million, four hundred seven thousand, two hundred sixty-seven".