3696578 has 4 divisors (see below), whose sum is σ = 5544870. Its totient is φ = 1848288.

The previous prime is 3696577. The next prime is 3696593. The reversal of 3696578 is 8756963.

3696578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3598609 + 97969 = 1897^2 + 313^2 .

It is not an unprimeable number, because it can be changed into a prime (3696577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924143 + ... + 924146.

Almost surely, 2^3696578 is an apocalyptic number.

3696578 is a deficient number, since it is larger than the sum of its proper divisors (1848292).

3696578 is a wasteful number, since it uses less digits than its factorization.

3696578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848291.

The product of its digits is 272160, while the sum is 44.

The square root of 3696578 is about 1922.6486938596. The cubic root of 3696578 is about 154.6203403252.

The spelling of 3696578 in words is "three million, six hundred ninety-six thousand, five hundred seventy-eight".