1406611 has 6 divisors (see below), whose sum is σ = 1470980. Its totient is φ = 1344948.

The previous prime is 1406609. The next prime is 1406617. The reversal of 1406611 is 1166041.

It is a happy number.

It is not a de Polignac number, because 1406611 - 2¹ = 1406609 is a prime.

It is an Ulam number.

It is a Duffinian number.

1406611 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1406617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801 + ... + 1858.

2^1406611 is an apocalyptic number.

1406611 is a deficient number, since it is larger than the sum of its proper divisors (64369).

1406611 is an equidigital number, since it uses as much as digits as its factorization.

1406611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1406611 is about 1186.0063237605. The cubic root of 1406611 is about 112.0447047303.

The spelling of 1406611 in words is "one million, four hundred six thousand, six hundred eleven".