1606413 has 8 divisors (see below), whose sum is σ = 2187648. Its totient is φ = 1048064.

The previous prime is 1606403. The next prime is 1606427. The reversal of 1606413 is 3146061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1606413 - 2⁶ = 1606349 is a prime.

It is a d-powerful number, because it can be written as 1 + 6³ + 0 + 6⁵ + 4⁶ + 1 + 3¹³ .

It is a self number, because there is not a number n which added to its sum of digits gives 1606413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5556 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (273456).

2^1606413 is an apocalyptic number.

It is an amenable number.

1606413 is a deficient number, since it is larger than the sum of its proper divisors (581235).

1606413 is a wasteful number, since it uses less digits than its factorization.

1606413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11443.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1606413 is about 1267.4434898645. The cubic root of 1606413 is about 117.1167655977.

The spelling of 1606413 in words is "one million, six hundred six thousand, four hundred thirteen".