1402417 has 2 divisors, whose sum is σ = 1402418. Its totient is φ = 1402416.

The previous prime is 1402399. The next prime is 1402421. The reversal of 1402417 is 7142041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 312481 = 1044^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402417 - 2¹¹ = 1400369 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402394 and 1402403.

It is not a weakly prime, because it can be changed into another prime (1402477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701208 + 701209.

It is an arithmetic number, because the mean of its divisors is an integer number (701209).

2^1402417 is an apocalyptic number.

It is an amenable number.

1402417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402417 is an equidigital number, since it uses as much as digits as its factorization.

1402417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1402417 is about 1184.2368850868. The cubic root of 1402417 is about 111.9332350808.

Adding to 1402417 its reverse (7142041), we get a palindrome (8544458).

It can be divided in two parts, 14024 and 17, that added together give a palindrome (14041).

The spelling of 1402417 in words is "one million, four hundred two thousand, four hundred seventeen".