398884043193 has 16 divisors (see below), whose sum is σ = 534405574080. Its totient is φ = 264643638336.

The previous prime is 398884043143. The next prime is 398884043197. The reversal of 398884043193 is 391340488893.

It is not a de Polignac number, because 398884043193 - 2²¹ = 398881946041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398884043197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429371 + ... + 1685487.

It is an arithmetic number, because the mean of its divisors is an integer number (33400348380).

Almost surely, 2^398884043193 is an apocalyptic number.

It is an amenable number.

398884043193 is a deficient number, since it is larger than the sum of its proper divisors (135521530887).

398884043193 is a wasteful number, since it uses less digits than its factorization.

398884043193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258616.

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 398884043193 in words is "three hundred ninety-eight billion, eight hundred eighty-four million, forty-three thousand, one hundred ninety-three".