Search a number
-
+
389692 = 2297423
BaseRepresentation
bin1011111001000111100
3201210120001
41133020330
544432232
612204044
73212062
oct1371074
9653501
10389692
11246866
12169624
131084b4
14a2032
157a6e7
hex5f23c

389692 has 6 divisors (see below), whose sum is σ = 681968. Its totient is φ = 194844.

The previous prime is 389687. The next prime is 389699. The reversal of 389692 is 296983.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389699) by changing a digit.

389692 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48708 + ... + 48715.

2389692 is an apocalyptic number.

It is an amenable number.

389692 is a deficient number, since it is larger than the sum of its proper divisors (292276).

389692 is a wasteful number, since it uses less digits than its factorization.

389692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97427 (or 97425 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 389692 is about 624.2531537766. The cubic root of 389692 is about 73.0421974084.

It can be divided in two parts, 389 and 692, that added together give a triangular number (1081 = T46).

The spelling of 389692 in words is "three hundred eighty-nine thousand, six hundred ninety-two".

Divisors: 1 2 4 97423 194846 389692