36645841 has 8 divisors (see below), whose sum is σ = 37785384. Its totient is φ = 35518080.

The previous prime is 36645827. The next prime is 36645857. The reversal of 36645841 is 14854663.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1587600 + 35058241 = 1260^2 + 5921^2 .

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 36645841 - 2¹¹ = 36643793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36645841.

It is not an unprimeable number, because it can be changed into a prime (36645881) 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, 3591 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (4723173).

Almost surely, 2^36645841 is an apocalyptic number.

It is an amenable number.

36645841 is a deficient number, since it is larger than the sum of its proper divisors (1139543).

36645841 is a wasteful number, since it uses less digits than its factorization.

36645841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its digits is 69120, while the sum is 37.

The square root of 36645841 is about 6053.5808411221. The cubic root of 36645841 is about 332.1555888771.

The spelling of 36645841 in words is "thirty-six million, six hundred forty-five thousand, eight hundred forty-one".