8042397 has 8 divisors (see below), whose sum is σ = 11698080. Its totient is φ = 4874160.

The previous prime is 8042393. The next prime is 8042407. The reversal of 8042397 is 7932408.

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

It is not a de Polignac number, because 8042397 - 2² = 8042393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 243709 = 8042397 / (8 + 0 + 4 + 2 + 3 + 9 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042393) 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, 121822 + ... + 121887.

It is an arithmetic number, because the mean of its divisors is an integer number (1462260).

Almost surely, 2^8042397 is an apocalyptic number.

It is an amenable number.

8042397 is a deficient number, since it is larger than the sum of its proper divisors (3655683).

8042397 is a wasteful number, since it uses less digits than its factorization.

8042397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243723.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 8042397 is about 2835.9120226128. The cubic root of 8042397 is about 200.3526860306.

The spelling of 8042397 in words is "eight million, forty-two thousand, three hundred ninety-seven".