3546 has 12 divisors (see below), whose sum is σ = 7722.
Its totient is φ = 1176.
The previous prime is 3541. The next prime is 3547. The reversal of 3546 is 6453.
Adding to 3546 its reverse (6453), we get a palindrome (9999).
It can be divided in two parts, 35 and 46, that added together give a 4-th power (81 = 34).
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 2025 + 1521 = 45^2 + 39^2
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 197 = 3546 / (3 + 5 + 4 + 6).
3546 is an undulating number in base 14.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (3541) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81 + ... + 116.
23546 is an apocalyptic number.
3546 is an abundant number, since it is smaller than the sum of its proper divisors (4176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3546 is a wasteful number, since it uses less digits than its factorization.
3546 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205 (or 202 counting only the distinct ones).
The product of its digits is 360, while the sum is 18.
The square root of 3546 is about 59.5482997238.
The cubic root of 3546 is about 15.2491713247.
The spelling of 3546 in words is "three thousand, five hundred forty-six".