398273337 has 48 divisors (see below), whose sum is σ = 740413440. Its totient is φ = 200210400.

The previous prime is 398273333. The next prime is 398273341. The reversal of 398273337 is 733372893.

It is an interprime number because it is at equal distance from previous prime (398273333) and next prime (398273341).

It is not a de Polignac number, because 398273337 - 2² = 398273333 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 398273292 and 398273301.

It is not an unprimeable number, because it can be changed into a prime (398273333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12214 + ... + 30752.

It is an arithmetic number, because the mean of its divisors is an integer number (15425280).

Almost surely, 2^398273337 is an apocalyptic number.

It is an amenable number.

398273337 is a deficient number, since it is larger than the sum of its proper divisors (342140103).

398273337 is a wasteful number, since it uses less digits than its factorization.

398273337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18594 (or 18591 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 398273337 is about 19956.7867403548. The cubic root of 398273337 is about 735.7445904344.

The spelling of 398273337 in words is "three hundred ninety-eight million, two hundred seventy-three thousand, three hundred thirty-seven".