398028458143 has 4 divisors (see below), whose sum is σ = 398060484448. Its totient is φ = 397996431840.

The previous prime is 398028458141. The next prime is 398028458159. The reversal of 398028458143 is 341854820893.

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

It is a cyclic number.

It is not a de Polignac number, because 398028458143 - 2¹ = 398028458141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398028458141) 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 3 ways as a sum of consecutive naturals, for example, 15994503 + ... + 16019368.

It is an arithmetic number, because the mean of its divisors is an integer number (99515121112).

Almost surely, 2^398028458143 is an apocalyptic number.

398028458143 is a deficient number, since it is larger than the sum of its proper divisors (32026305).

398028458143 is a wasteful number, since it uses less digits than its factorization.

398028458143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32026304.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 398028458143 in words is "three hundred ninety-eight billion, twenty-eight million, four hundred fifty-eight thousand, one hundred forty-three".