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8399397 = 35634973
BaseRepresentation
bin100000000010…
…101000100101
3120210201210210
4200002220211
54122240042
6500010033
7131252016
oct40025045
916721723
108399397
114817656
122990919
131981176
14118900d
15b0da9c
hex802a25

8399397 has 8 divisors (see below), whose sum is σ = 11221344. Its totient is φ = 5588528.

The previous prime is 8399381. The next prime is 8399401. The reversal of 8399397 is 7939938.

8399397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8399397 - 24 = 8399381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (1402668).

Almost surely, 28399397 is an apocalyptic number.

It is an amenable number.

8399397 is a deficient number, since it is larger than the sum of its proper divisors (2821947).

8399397 is a wasteful number, since it uses less digits than its factorization.

8399397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its digits is 367416, while the sum is 48.

The square root of 8399397 is about 2898.1713199878. The cubic root of 8399397 is about 203.2744070640.

The spelling of 8399397 in words is "eight million, three hundred ninety-nine thousand, three hundred ninety-seven".

Divisors: 1 3 563 1689 4973 14919 2799799 8399397