842397 has 8 divisors (see below), whose sum is σ = 1129056. Its totient is φ = 558672.

The previous prime is 842393. The next prime is 842399. The reversal of 842397 is 793248.

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

It is not a de Polignac number, because 842397 - 2² = 842393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842393) 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, 63 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (141132).

2⁸⁴²³⁹⁷ is an apocalyptic number.

It is an amenable number.

842397 is a deficient number, since it is larger than the sum of its proper divisors (286659).

842397 is a wasteful number, since it uses less digits than its factorization.

842397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467.

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

The square root of 842397 is about 917.8218781441. The cubic root of 842397 is about 94.4435428852.

The spelling of 842397 in words is "eight hundred forty-two thousand, three hundred ninety-seven".