8398137 has 8 divisors (see below), whose sum is σ = 12215520. Its totient is φ = 5089760.

The previous prime is 8398111. The next prime is 8398141. The reversal of 8398137 is 7318938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8398137 - 2¹² = 8394041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8398095 and 8398104.

It is not an unprimeable number, because it can be changed into a prime (8398147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127212 + ... + 127277.

It is an arithmetic number, because the mean of its divisors is an integer number (1526940).

Almost surely, 2^8398137 is an apocalyptic number.

It is an amenable number.

8398137 is a deficient number, since it is larger than the sum of its proper divisors (3817383).

8398137 is a wasteful number, since it uses less digits than its factorization.

8398137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254503.

The product of its digits is 36288, while the sum is 39.

The square root of 8398137 is about 2897.9539333813. The cubic root of 8398137 is about 203.2642421057.

The spelling of 8398137 in words is "eight million, three hundred ninety-eight thousand, one hundred thirty-seven".