2017994403 has 8 divisors (see below), whose sum is σ = 2691852048. Its totient is φ = 1344733184.

The previous prime is 2017994399. The next prime is 2017994411. The reversal of 2017994403 is 3044997102.

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

It is a cyclic number.

It is not a de Polignac number, because 2017994403 - 2² = 2017994399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2017994453) by changing a digit.

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, 141150 + ... + 154787.

It is an arithmetic number, because the mean of its divisors is an integer number (336481506).

Almost surely, 2^2017994403 is an apocalyptic number.

2017994403 is a deficient number, since it is larger than the sum of its proper divisors (673857645).

2017994403 is a wasteful number, since it uses less digits than its factorization.

2017994403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298213.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2017994403 is about 44922.0925937339. The cubic root of 2017994403 is about 1263.6883618155.

The spelling of 2017994403 in words is "two billion, seventeen million, nine hundred ninety-four thousand, four hundred three".