Search a number
-
+
3405889 is a prime number
BaseRepresentation
bin1100111111100001000001
320102001000001
430333201001
51332442024
6201000001
740643464
oct14774101
96361001
103405889
111a16993
121183001
13923326
146492db
15474244
hex33f841

3405889 has 2 divisors, whose sum is σ = 3405890. Its totient is φ = 3405888.

The previous prime is 3405881. The next prime is 3405907. The reversal of 3405889 is 9885043.

3405889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 1034289 = 1540^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405889 - 23 = 3405881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3405881) by changing a digit.

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, 1702944 + 1702945.

It is an arithmetic number, because the mean of its divisors is an integer number (1702945).

Almost surely, 23405889 is an apocalyptic number.

It is an amenable number.

3405889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405889 is an equidigital number, since it uses as much as digits as its factorization.

3405889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3405889 is about 1845.5050799171. The cubic root of 3405889 is about 150.4562257948.

The spelling of 3405889 in words is "three million, four hundred five thousand, eight hundred eighty-nine".