3625634 has 4 divisors (see below), whose sum is σ = 5438454. Its totient is φ = 1812816.

The previous prime is 3625621. The next prime is 3625649. The reversal of 3625634 is 4365263.

3625634 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., 3621409 + 4225 = 1903^2 + 65^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3625597 and 3625606.

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, 906407 + ... + 906410.

Almost surely, 2^3625634 is an apocalyptic number.

3625634 is a deficient number, since it is larger than the sum of its proper divisors (1812820).

3625634 is a wasteful number, since it uses less digits than its factorization.

3625634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812819.

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

The square root of 3625634 is about 1904.1097657436. The cubic root of 3625634 is about 153.6247963892.

The spelling of 3625634 in words is "three million, six hundred twenty-five thousand, six hundred thirty-four".