1406616017 has 4 divisors (see below), whose sum is σ = 1407027300. Its totient is φ = 1406204736.

The previous prime is 1406616007. The next prime is 1406616061. The reversal of 1406616017 is 7106166041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40500496 + 1366115521 = 6364^2 + 36961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406616017 - 2²⁶ = 1339507153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406616007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200468 + ... + 207365.

It is an arithmetic number, because the mean of its divisors is an integer number (351756825).

Almost surely, 2^1406616017 is an apocalyptic number.

It is an amenable number.

1406616017 is a deficient number, since it is larger than the sum of its proper divisors (411283).

1406616017 is an equidigital number, since it uses as much as digits as its factorization.

1406616017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411282.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1406616017 is about 37504.8799091532. The cubic root of 1406616017 is about 1120.4483794116.

The spelling of 1406616017 in words is "one billion, four hundred six million, six hundred sixteen thousand, seventeen".