Search a number
-
+
3438469 is a prime number
BaseRepresentation
bin1101000111011110000101
320110200200201
431013132011
51340012334
6201410501
741140456
oct15073605
96420621
103438469
111a39411
121199a31
139350c8
1465712d
1547dc14
hex347785

3438469 has 2 divisors, whose sum is σ = 3438470. Its totient is φ = 3438468.

The previous prime is 3438451. The next prime is 3438511. The reversal of 3438469 is 9648343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2934369 + 504100 = 1713^2 + 710^2 .

It is an emirp because it is prime and its reverse (9648343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3438469 - 29 = 3437957 is a prime.

It is a super-2 number, since 2×34384692 = 23646138127922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3438419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719234 + 1719235.

It is an arithmetic number, because the mean of its divisors is an integer number (1719235).

Almost surely, 23438469 is an apocalyptic number.

It is an amenable number.

3438469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438469 is an equidigital number, since it uses as much as digits as its factorization.

3438469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 3438469 is about 1854.3109232273. The cubic root of 3438469 is about 150.9344481049.

It can be divided in two parts, 34384 and 69, that added together give a triangular number (34453 = T262).

The spelling of 3438469 in words is "three million, four hundred thirty-eight thousand, four hundred sixty-nine".