Search a number
-
+
948439 is a prime number
BaseRepresentation
bin11100111100011010111
31210012000101
43213203113
5220322224
632154531
711030062
oct3474327
91705011
10948439
11598638
12398a47
1327290b
141a98d9
1513b044
hexe78d7

948439 has 2 divisors, whose sum is σ = 948440. Its totient is φ = 948438.

The previous prime is 948427. The next prime is 948443. The reversal of 948439 is 934849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 948439 - 25 = 948407 is a prime.

948439 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 948398 and 948407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474219 + 474220.

It is an arithmetic number, because the mean of its divisors is an integer number (474220).

2948439 is an apocalyptic number.

948439 is a deficient number, since it is larger than the sum of its proper divisors (1).

948439 is an equidigital number, since it uses as much as digits as its factorization.

948439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 948439 is about 973.8783291562. The cubic root of 948439 is about 98.2508843185.

Subtracting from 948439 its product of digits (31104), we obtain a triangular number (917335 = T1354).

The spelling of 948439 in words is "nine hundred forty-eight thousand, four hundred thirty-nine".