4649636 has 24 divisors (see below), whose sum is σ = 8713656. Its totient is φ = 2163200.

The previous prime is 4649629. The next prime is 4649651. The reversal of 4649636 is 6369464.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4000000 + 649636 = 2000^2 + 806^2 .

It is a super-2 number, since 2×4649636² = 43238229864992, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4649636.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 6530 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (363069).

Almost surely, 2^4649636 is an apocalyptic number.

It is an amenable number.

4649636 is a deficient number, since it is larger than the sum of its proper divisors (4064020).

4649636 is a wasteful number, since it uses less digits than its factorization.

4649636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 797 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 4649636 is about 2156.3014631540. The cubic root of 4649636 is about 166.9063981188.

It can be divided in two parts, 4 and 649636, that multiplied together give a square (2598544 = 1612²).

The spelling of 4649636 in words is "four million, six hundred forty-nine thousand, six hundred thirty-six".