1608438652 has 12 divisors (see below), whose sum is σ = 2828109256. Its totient is φ = 800407440.

The previous prime is 1608438631. The next prime is 1608438677. The reversal of 1608438652 is 2568348061.

It is a junction number, because it is equal to n+sod(n) for n = 1608438599 and 1608438608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952023 + ... + 953710.

Almost surely, 2^1608438652 is an apocalyptic number.

It is an amenable number.

1608438652 is a deficient number, since it is larger than the sum of its proper divisors (1219670604).

1608438652 is a wasteful number, since it uses less digits than its factorization.

1608438652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905948 (or 1905946 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1608438652 is about 40105.3444318834. The cubic root of 1608438652 is about 1171.6597215566.

The spelling of 1608438652 in words is "one billion, six hundred eight million, four hundred thirty-eight thousand, six hundred fifty-two".