3634628 has 12 divisors (see below), whose sum is σ = 6580140. Its totient is φ = 1754592.

The previous prime is 3634627. The next prime is 3634637. The reversal of 3634628 is 8264363.

It can be written as a sum of positive squares in 2 ways, for example, as 3104644 + 529984 = 1762^2 + 728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3634594 and 3634603.

It is not an unprimeable number, because it can be changed into a prime (3634627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15551 + ... + 15782.

It is an arithmetic number, because the mean of its divisors is an integer number (548345).

Almost surely, 2^3634628 is an apocalyptic number.

It is an amenable number.

3634628 is a deficient number, since it is larger than the sum of its proper divisors (2945512).

3634628 is a wasteful number, since it uses less digits than its factorization.

3634628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31366 (or 31364 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 3634628 is about 1906.4700364810. The cubic root of 3634628 is about 153.7517222800.

The spelling of 3634628 in words is "three million, six hundred thirty-four thousand, six hundred twenty-eight".