3642536 has 8 divisors (see below), whose sum is σ = 6829770. Its totient is φ = 1821264.

The previous prime is 3642497. The next prime is 3642559. The reversal of 3642536 is 6352463.

3642536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 649636 = 1730^2 + 806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3642536² = 26536137022592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3642499 and 3642508.

It is an unprimeable number.

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, 227651 + ... + 227666.

Almost surely, 2^3642536 is an apocalyptic number.

It is an amenable number.

3642536 is a deficient number, since it is larger than the sum of its proper divisors (3187234).

3642536 is a wasteful number, since it uses less digits than its factorization.

3642536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455323 (or 455319 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 3642536 is about 1908.5428997012. The cubic root of 3642536 is about 153.8631493532.

Adding to 3642536 its reverse (6352463), we get a palindrome (9994999).

The spelling of 3642536 in words is "three million, six hundred forty-two thousand, five hundred thirty-six".