8398038 has 64 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 2332800.

The previous prime is 8398021. The next prime is 8398067. The reversal of 8398038 is 8308938.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8397987 and 8398005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46308 + ... + 46488.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^8398038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8398038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9959040).

8398038 is an abundant number, since it is smaller than the sum of its proper divisors (11520042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8398038 is a wasteful number, since it uses less digits than its factorization.

8398038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 8398038 is about 2897.9368523141. The cubic root of 8398038 is about 203.2634433873.

The spelling of 8398038 in words is "eight million, three hundred ninety-eight thousand, thirty-eight".