Search a number
-
+
389704 = 2376959
BaseRepresentation
bin1011111001001001000
3201210120111
41133021020
544432304
612204104
73212110
oct1371110
9653514
10389704
11246877
12169634
131084c3
14a2040
157a704
hex5f248

389704 has 16 divisors (see below), whose sum is σ = 835200. Its totient is φ = 166992.

The previous prime is 389699. The next prime is 389713. The reversal of 389704 is 407983.

It is a happy number.

It is an unprimeable number.

389704 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 3 ways as a sum of consecutive naturals, for example, 3424 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (52200).

2389704 is an apocalyptic number.

It is an amenable number.

389704 is an abundant number, since it is smaller than the sum of its proper divisors (445496).

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

389704 is a wasteful number, since it uses less digits than its factorization.

389704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972 (or 6968 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 389704 is about 624.2627651879. The cubic root of 389704 is about 73.0429471436.

The spelling of 389704 in words is "three hundred eighty-nine thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 28 56 6959 13918 27836 48713 55672 97426 194852 389704