1400417 has 2 divisors, whose sum is σ = 1400418. Its totient is φ = 1400416.

The previous prime is 1400411. The next prime is 1400423. The reversal of 1400417 is 7140041.

It is a balanced prime because it is at equal distance from previous prime (1400411) and next prime (1400423).

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 33856 = 1169^2 + 184^2 .

It is an emirp because it is prime and its reverse (7140041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400417 - 2⁶ = 1400353 is a prime.

It is a super-2 number, since 2×1400417² = 3922335547778, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1400395 and 1400404.

It is not a weakly prime, because it can be changed into another prime (1400411) 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, 700208 + 700209.

It is an arithmetic number, because the mean of its divisors is an integer number (700209).

2^1400417 is an apocalyptic number.

It is an amenable number.

1400417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400417 is an equidigital number, since it uses as much as digits as its factorization.

1400417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1400417 is about 1183.3921581623. The cubic root of 1400417 is about 111.8800000886.

Adding to 1400417 its reverse (7140041), we get a palindrome (8540458).

The spelling of 1400417 in words is "one million, four hundred thousand, four hundred seventeen".