3556165 has 8 divisors (see below), whose sum is σ = 4405248. Its totient is φ = 2753040.

The previous prime is 3556151. The next prime is 3556169. The reversal of 3556165 is 5616553.

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

It is not a de Polignac number, because 3556165 - 2¹⁵ = 3523397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556169) 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, 11317 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (550656).

Almost surely, 2^3556165 is an apocalyptic number.

It is an amenable number.

3556165 is a deficient number, since it is larger than the sum of its proper divisors (849083).

3556165 is a wasteful number, since it uses less digits than its factorization.

3556165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22979.

The product of its digits is 13500, while the sum is 31.

The square root of 3556165 is about 1885.7796796020. The cubic root of 3556165 is about 152.6372856723.

It can be divided in two parts, 3556 and 165, that added together give a square (3721 = 61²).

The spelling of 3556165 in words is "three million, five hundred fifty-six thousand, one hundred sixty-five".