1716949 has 12 divisors (see below), whose sum is σ = 1968484. Its totient is φ = 1488384.

The previous prime is 1716943. The next prime is 1716971. The reversal of 1716949 is 9496171.

It can be written as a sum of positive squares in 6 ways, for example, as 154449 + 1562500 = 393^2 + 1250^2 .

It is not a de Polignac number, because 1716949 - 2³ = 1716941 is a prime.

It is a Duffinian number.

Its product of digits (13608) is a multiple of the sum of its prime factors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3529 + ... + 3985.

2^1716949 is an apocalyptic number.

It is an amenable number.

1716949 is a deficient number, since it is larger than the sum of its proper divisors (251535).

1716949 is a wasteful number, since it uses less digits than its factorization.

1716949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 487 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 1716949 is about 1310.3240057329. The cubic root of 1716949 is about 119.7436425453.

The spelling of 1716949 in words is "one million, seven hundred sixteen thousand, nine hundred forty-nine".