3689727 has 8 divisors (see below), whose sum is σ = 4947840. Its totient is φ = 2445720.

The previous prime is 3689723. The next prime is 3689753. The reversal of 3689727 is 7279863.

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

It is not a de Polignac number, because 3689727 - 2² = 3689723 is a prime.

It is a super-2 number, since 2×3689727² = 27228170669058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689723) 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, 2899 + ... + 3972.

It is an arithmetic number, because the mean of its divisors is an integer number (618480).

Almost surely, 2^3689727 is an apocalyptic number.

3689727 is a deficient number, since it is larger than the sum of its proper divisors (1258113).

3689727 is a wasteful number, since it uses less digits than its factorization.

3689727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053.

The product of its digits is 127008, while the sum is 42.

The square root of 3689727 is about 1920.8662108538. The cubic root of 3689727 is about 154.5247601209.

The spelling of 3689727 in words is "three million, six hundred eighty-nine thousand, seven hundred twenty-seven".