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8396397 = 321078719
BaseRepresentation
bin100000000001…
…111001101101
3120210120200200
4200001321231
54122141042
6455544113
7131240202
oct40017155
916716620
108396397
114815379
12298b039
13197c9a9
141187ca9
15b0cc4c
hex801e6d

8396397 has 12 divisors (see below), whose sum is σ = 12242880. Its totient is φ = 5544648.

The previous prime is 8396383. The next prime is 8396411. The reversal of 8396397 is 7936938.

It is a happy number.

8396397 is a `hidden beast` number, since 8 + 3 + 9 + 639 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (8396383) and next prime (8396411).

It is not a de Polignac number, because 8396397 - 212 = 8392301 is a prime.

It is a d-powerful number, because it can be written as 87 + 37 + 92 + 6 + 312 + 93 + 78 .

8396397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8396497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (1020240).

Almost surely, 28396397 is an apocalyptic number.

It is an amenable number.

8396397 is a deficient number, since it is larger than the sum of its proper divisors (3846483).

8396397 is a wasteful number, since it uses less digits than its factorization.

8396397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832 (or 8829 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 8396397 is about 2897.6537060180. The cubic root of 8396397 is about 203.2502031107.

The spelling of 8396397 in words is "eight million, three hundred ninety-six thousand, three hundred ninety-seven".

Divisors: 1 3 9 107 321 963 8719 26157 78471 932933 2798799 8396397