3516689 has 4 divisors (see below), whose sum is σ = 3836400. Its totient is φ = 3196980.

The previous prime is 3516661. The next prime is 3516697. The reversal of 3516689 is 9866153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3516689 - 2²⁰ = 2468113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3516659) 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, 159839 + ... + 159860.

It is an arithmetic number, because the mean of its divisors is an integer number (959100).

Almost surely, 2^3516689 is an apocalyptic number.

It is an amenable number.

3516689 is a deficient number, since it is larger than the sum of its proper divisors (319711).

3516689 is a wasteful number, since it uses less digits than its factorization.

3516689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319710.

The product of its digits is 38880, while the sum is 38.

The square root of 3516689 is about 1875.2837118687. The cubic root of 3516689 is about 152.0703881060.

The spelling of 3516689 in words is "three million, five hundred sixteen thousand, six hundred eighty-nine".