Search a number
-
+
408379 is a prime number
BaseRepresentation
bin1100011101100111011
3202202012011
41203230323
5101032004
612430351
73320416
oct1435473
9682164
10408379
11259904
121783b7
13113b5a
14a8b7d
1581004
hex63b3b

408379 has 2 divisors, whose sum is σ = 408380. Its totient is φ = 408378.

The previous prime is 408361. The next prime is 408389. The reversal of 408379 is 973804.

It can be divided in two parts, 408 and 379, that added together give a palindrome (787).

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408379 - 25 = 408347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 408379.

It is not a weakly prime, because it can be changed into another prime (408389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204189 + 204190.

It is an arithmetic number, because the mean of its divisors is an integer number (204190).

2408379 is an apocalyptic number.

408379 is a deficient number, since it is larger than the sum of its proper divisors (1).

408379 is an equidigital number, since it uses as much as digits as its factorization.

408379 is an evil number, because the sum of its binary digits is even.

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

The square root of 408379 is about 639.0453818001. The cubic root of 408379 is about 74.1915538806.

The spelling of 408379 in words is "four hundred eight thousand, three hundred seventy-nine".