3650 has 12 divisors (see below), whose sum is σ = 6882. Its totient is φ = 1440.

The previous prime is 3643. The next prime is 3659. The reversal of 3650 is 563.

3650 = T_{3} + T_{4} + ... +
T_{27}.

It is a happy number.

3650 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 3 ways, for example, as 2809 + 841 = 53^2 + 29^2 .

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 14 and base 15.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3659) by changing a digit.

3650 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14 + ... + 86.

2^{3650} is an apocalyptic number.

3650 is a deficient number, since it is larger than the sum of its proper divisors (3232).

3650 is a wasteful number, since it uses less digits than its factorization.

3650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3650 is about 60.4152298680. The cubic root of 3650 is about 15.3968172430.

The spelling of 3650 in words is "three thousand, six hundred fifty".

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