1406342417 has 2 divisors, whose sum is σ = 1406342418. Its totient is φ = 1406342416.

The previous prime is 1406342393. The next prime is 1406342419. The reversal of 1406342417 is 7142436041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 757570576 + 648771841 = 27524^2 + 25471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406342417 - 2¹⁶ = 1406276881 is a prime.

Together with 1406342419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1406342419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703171208 + 703171209.

It is an arithmetic number, because the mean of its divisors is an integer number (703171209).

Almost surely, 2^1406342417 is an apocalyptic number.

It is an amenable number.

1406342417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406342417 is an equidigital number, since it uses as much as digits as its factorization.

1406342417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1406342417 is about 37501.2322064222. The cubic root of 1406342417 is about 1120.3757287969.

Adding to 1406342417 its reverse (7142436041), we get a palindrome (8548778458).

The spelling of 1406342417 in words is "one billion, four hundred six million, three hundred forty-two thousand, four hundred seventeen".