398533887359 has 4 divisors (see below), whose sum is σ = 398560227480. Its totient is φ = 398507547240.

The previous prime is 398533887289. The next prime is 398533887379. The reversal of 398533887359 is 953788335893.

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 398533887359 - 2³⁶ = 329814410623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398533887292 and 398533887301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398533887379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13147352 + ... + 13177629.

It is an arithmetic number, because the mean of its divisors is an integer number (99640056870).

Almost surely, 2^398533887359 is an apocalyptic number.

398533887359 is a deficient number, since it is larger than the sum of its proper divisors (26340121).

398533887359 is a wasteful number, since it uses less digits than its factorization.

398533887359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26340120.

The product of its digits is 587865600, while the sum is 71.

The spelling of 398533887359 in words is "three hundred ninety-eight billion, five hundred thirty-three million, eight hundred eighty-seven thousand, three hundred fifty-nine".