1406617 has 2 divisors, whose sum is σ = 1406618. Its totient is φ = 1406616.

The previous prime is 1406609. The next prime is 1406633. The reversal of 1406617 is 7166041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1401856 + 4761 = 1184^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406617 - 2³ = 1406609 is a prime.

It is equal to p₁₀₇₅₆₆ and since 1406617 and 107566 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1406591 and 1406600.

It is not a weakly prime, because it can be changed into another prime (1406677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703308 + 703309.

It is an arithmetic number, because the mean of its divisors is an integer number (703309).

2^1406617 is an apocalyptic number.

It is an amenable number.

1406617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406617 is an equidigital number, since it uses as much as digits as its factorization.

1406617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1406617 is about 1186.0088532553. The cubic root of 1406617 is about 112.0448640416.

The spelling of 1406617 in words is "one million, four hundred six thousand, six hundred seventeen".