3689555 has 8 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 2938048.

The previous prime is 3689551. The next prime is 3689573. The reversal of 3689555 is 5559863.

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 3689555 - 2² = 3689551 is a prime.

It is a super-2 number, since 2×3689555² = 27225632196050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 6⁴ + 8³ + 9⁵ + 5⁵ + 5⁷ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3689551) 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, 419 + ... + 2748.

It is an arithmetic number, because the mean of its divisors is an integer number (555984).

Almost surely, 2^3689555 is an apocalyptic number.

3689555 is a deficient number, since it is larger than the sum of its proper divisors (758317).

3689555 is a wasteful number, since it uses less digits than its factorization.

3689555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405.

The product of its digits is 162000, while the sum is 41.

The square root of 3689555 is about 1920.8214388641. The cubic root of 3689555 is about 154.5223589793.

The spelling of 3689555 in words is "three million, six hundred eighty-nine thousand, five hundred fifty-five".