8133397 has 8 divisors (see below), whose sum is σ = 8376192. Its totient is φ = 7893600.

The previous prime is 8133383. The next prime is 8133403. The reversal of 8133397 is 7933318.

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 8133397 - 2¹¹ = 8131349 is a prime.

It is a Duffinian number.

8133397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133317) 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, 5497 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (1047024).

Almost surely, 2^8133397 is an apocalyptic number.

It is an amenable number.

8133397 is a deficient number, since it is larger than the sum of its proper divisors (242795).

8133397 is a wasteful number, since it uses less digits than its factorization.

8133397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its digits is 13608, while the sum is 34.

The square root of 8133397 is about 2851.9111136219. The cubic root of 8133397 is about 201.1055195399.

The spelling of 8133397 in words is "eight million, one hundred thirty-three thousand, three hundred ninety-seven".