1416691 has 2 divisors, whose sum is σ = 1416692. Its totient is φ = 1416690.

The previous prime is 1416671. The next prime is 1416703. The reversal of 1416691 is 1966141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1416691 - 2¹³ = 1408499 is a prime.

1416691 is a lucky number.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (1416601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708345 + 708346.

It is an arithmetic number, because the mean of its divisors is an integer number (708346).

2^1416691 is an apocalyptic number.

1416691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416691 is an equidigital number, since it uses as much as digits as its factorization.

1416691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 1416691 is about 1190.2482934245. The cubic root of 1416691 is about 112.3117113790.

The spelling of 1416691 in words is "one million, four hundred sixteen thousand, six hundred ninety-one".