3636378 has 12 divisors (see below), whose sum is σ = 7878858. Its totient is φ = 1212120.

The previous prime is 3636371. The next prime is 3636389. The reversal of 3636378 is 8736363.

It can be written as a sum of positive squares in only one way, i.e., 3122289 + 514089 = 1767^2 + 717^2 .

It is not an unprimeable number, because it can be changed into a prime (3636371) 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, 100993 + ... + 101028.

Almost surely, 2^3636378 is an apocalyptic number.

3636378 is an abundant number, since it is smaller than the sum of its proper divisors (4242480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3636378 is a wasteful number, since it uses less digits than its factorization.

3636378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202029 (or 202026 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3636378 is about 1906.9289446647. The cubic root of 3636378 is about 153.7763944374.

The spelling of 3636378 in words is "three million, six hundred thirty-six thousand, three hundred seventy-eight".