1609713 has 40 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 860544.

The previous prime is 1609693. The next prime is 1609717. The reversal of 1609713 is 3179061.

It is not a de Polignac number, because 1609713 - 2⁸ = 1609457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609717) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9556 + ... + 9722.

2^1609713 is an apocalyptic number.

It is an amenable number.

1609713 is a deficient number, since it is larger than the sum of its proper divisors (1317519).

1609713 is a wasteful number, since it uses less digits than its factorization.

1609713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1609713 is about 1268.7446551612. The cubic root of 1609713 is about 117.1969070848.

It can be divided in two parts, 16097 and 13, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 1609713 in words is "one million, six hundred nine thousand, seven hundred thirteen".