854397 has 6 divisors (see below), whose sum is σ = 1234142. Its totient is φ = 569592.

The previous prime is 854387. The next prime is 854407. The reversal of 854397 is 793458.

It is an interprime number because it is at equal distance from previous prime (854387) and next prime (854407).

It can be written as a sum of positive squares in only one way, i.e., 793881 + 60516 = 891^2 + 246^2 .

It is not a de Polignac number, because 854397 - 2⁶ = 854333 is a prime.

It is a Duffinian number.

854397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47458 + ... + 47475.

2⁸⁵⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

854397 is a deficient number, since it is larger than the sum of its proper divisors (379745).

854397 is a wasteful number, since it uses less digits than its factorization.

854397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94939 (or 94936 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 854397 is about 924.3359778782. The cubic root of 854397 is about 94.8898816403.

The spelling of 854397 in words is "eight hundred fifty-four thousand, three hundred ninety-seven".