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389394 = 2337211
BaseRepresentation
bin1011111000100010010
3201210011000
41133010102
544430034
612202430
73211155
oct1370422
9653130
10389394
11246615
12169416
13108315
14a1c9c
157a599
hex5f112

389394 has 16 divisors (see below), whose sum is σ = 865440. Its totient is φ = 129780.

The previous prime is 389381. The next prime is 389399. The reversal of 389394 is 493983.

It is not an unprimeable number, because it can be changed into a prime (389399) by changing a digit.

389394 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3552 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (54090).

2389394 is an apocalyptic number.

389394 is an abundant number, since it is smaller than the sum of its proper divisors (476046).

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

389394 is a wasteful number, since it uses less digits than its factorization.

389394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222 (or 7216 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 389394 is about 624.0144229102. The cubic root of 389394 is about 73.0235740465.

The spelling of 389394 in words is "three hundred eighty-nine thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 7211 14422 21633 43266 64899 129798 194697 389394