1400411 has 2 divisors, whose sum is σ = 1400412. Its totient is φ = 1400410.

The previous prime is 1400387. The next prime is 1400417. The reversal of 1400411 is 1140041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400411 - 2¹⁴ = 1384027 is a prime.

It is a super-2 number, since 2×1400411² = 3922301937842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1400392 and 1400401.

It is not a weakly prime, because it can be changed into another prime (1400417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700205 + 700206.

It is an arithmetic number, because the mean of its divisors is an integer number (700206).

2^1400411 is an apocalyptic number.

1400411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400411 is an equidigital number, since it uses as much as digits as its factorization.

1400411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1400411 is about 1183.3896230743. The cubic root of 1400411 is about 111.8798403074.

Adding to 1400411 its reverse (1140041), we get a palindrome (2540452).

The spelling of 1400411 in words is "one million, four hundred thousand, four hundred eleven".