398329337 has 4 divisors (see below), whose sum is σ = 455233536. Its totient is φ = 341425140.

The previous prime is 398329333. The next prime is 398329343. The reversal of 398329337 is 733923893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733923893 = 1877 ⋅391009.

It is not a de Polignac number, because 398329337 - 2² = 398329333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398329291 and 398329300.

It is not an unprimeable number, because it can be changed into a prime (398329331) 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, 28452089 + ... + 28452102.

It is an arithmetic number, because the mean of its divisors is an integer number (113808384).

Almost surely, 2^398329337 is an apocalyptic number.

It is an amenable number.

398329337 is a deficient number, since it is larger than the sum of its proper divisors (56904199).

398329337 is an equidigital number, since it uses as much as digits as its factorization.

398329337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56904198.

The product of its digits is 734832, while the sum is 47.

The square root of 398329337 is about 19958.1897225174. The cubic root of 398329337 is about 735.7790724198.

The spelling of 398329337 in words is "three hundred ninety-eight million, three hundred twenty-nine thousand, three hundred thirty-seven".