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8386340 = 225419317
BaseRepresentation
bin11111111111011100100100
3120210001220012
4133333130210
54121330330
6455425352
7131165654
oct37773444
916701805
108386340
114808866
122985258
131978241
141184364
15b09c95
hex7ff724

8386340 has 12 divisors (see below), whose sum is σ = 17611356. Its totient is φ = 3354528.

The previous prime is 8386331. The next prime is 8386373. The reversal of 8386340 is 436838.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 4761124 = 1904^2 + 2182^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8386297 and 8386306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209639 + ... + 209678.

It is an arithmetic number, because the mean of its divisors is an integer number (1467613).

Almost surely, 28386340 is an apocalyptic number.

It is an amenable number.

8386340 is an abundant number, since it is smaller than the sum of its proper divisors (9225016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8386340 is a wasteful number, since it uses less digits than its factorization.

8386340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419326 (or 419324 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 8386340 is about 2895.9178165134. The cubic root of 8386340 is about 203.1690213071.

The spelling of 8386340 in words is "eight million, three hundred eighty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 419317 838634 1677268 2096585 4193170 8386340