1647628652 has 12 divisors (see below), whose sum is σ = 2896053720. Its totient is φ = 820184736.

The previous prime is 1647628637. The next prime is 1647628657. The reversal of 1647628652 is 2568267461.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1647628597 and 1647628606.

It is not an unprimeable number, because it can be changed into a prime (1647628657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906377 + ... + 908192.

It is an arithmetic number, because the mean of its divisors is an integer number (241337810).

Almost surely, 2^1647628652 is an apocalyptic number.

It is an amenable number.

1647628652 is a deficient number, since it is larger than the sum of its proper divisors (1248425068).

1647628652 is a wasteful number, since it uses less digits than its factorization.

1647628652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814800 (or 1814798 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 1647628652 is about 40590.9922519763. The cubic root of 1647628652 is about 1181.0993900269.

The spelling of 1647628652 in words is "one billion, six hundred forty-seven million, six hundred twenty-eight thousand, six hundred fifty-two".