2016398 has 4 divisors (see below), whose sum is σ = 3024600. Its totient is φ = 1008198.

The previous prime is 2016397. The next prime is 2016401. The reversal of 2016398 is 8936102.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2016398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504098 + ... + 504101.

It is an arithmetic number, because the mean of its divisors is an integer number (756150).

2^2016398 is an apocalyptic number.

2016398 is a deficient number, since it is larger than the sum of its proper divisors (1008202).

2016398 is a wasteful number, since it uses less digits than its factorization.

2016398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008201.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2016398 is about 1419.9992957745. Note that the first 3 decimals coincide. The cubic root of 2016398 is about 126.3355046043.

The spelling of 2016398 in words is "two million, sixteen thousand, three hundred ninety-eight".