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3404431 is a prime number
BaseRepresentation
bin1100111111001010001111
320101222000001
430333022033
51332420211
6200545131
740636312
oct14771217
96358001
103404431
111a15888
1211821a7
13922774
14648979
15473ac1
hex33f28f

3404431 has 2 divisors, whose sum is σ = 3404432. Its totient is φ = 3404430.

The previous prime is 3404399. The next prime is 3404441. The reversal of 3404431 is 1344043.

It is a strong prime.

It is an emirp because it is prime and its reverse (1344043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3404431 - 25 = 3404399 is a prime.

It is a super-2 number, since 2×34044312 = 23180300867522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3404399 and 3404408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3404441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702215 + 1702216.

It is an arithmetic number, because the mean of its divisors is an integer number (1702216).

Almost surely, 23404431 is an apocalyptic number.

3404431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404431 is an equidigital number, since it uses as much as digits as its factorization.

3404431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3404431 is about 1845.1100238197. The cubic root of 3404431 is about 150.4347535266.

Adding to 3404431 its reverse (1344043), we get a palindrome (4748474).

The spelling of 3404431 in words is "three million, four hundred four thousand, four hundred thirty-one".