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3407909 is a prime number
BaseRepresentation
bin1101000000000000100101
320102010202212
431000000211
51333023114
6201013205
740652411
oct15000045
96363685
103407909
111a1845a
121184205
1392421b
14649d41
15474b3e
hex340025

3407909 has 2 divisors, whose sum is σ = 3407910. Its totient is φ = 3407908.

The previous prime is 3407893. The next prime is 3407941. The reversal of 3407909 is 9097043.

It is a happy number.

It is an a-pointer prime, because the next prime (3407941) can be obtained adding 3407909 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 77284 = 1825^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 3407909 - 24 = 3407893 is a prime.

It is a super-2 number, since 2×34079092 = 23227687504562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3407609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703954 + 1703955.

It is an arithmetic number, because the mean of its divisors is an integer number (1703955).

Almost surely, 23407909 is an apocalyptic number.

It is an amenable number.

3407909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3407909 is an equidigital number, since it uses as much as digits as its factorization.

3407909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3407909 is about 1846.0522744495. The cubic root of 3407909 is about 150.4859646297.

The spelling of 3407909 in words is "three million, four hundred seven thousand, nine hundred nine".