1628872652 has 48 divisors (see below), whose sum is σ = 3184108704. Its totient is φ = 722880000.

The previous prime is 1628872631. The next prime is 1628872703. The reversal of 1628872652 is 2562788261.

It is a super-2 number, since 2×1628872652² = 5306452232867026208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1628872597 and 1628872606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321902 + ... + 326922.

It is an arithmetic number, because the mean of its divisors is an integer number (66335598).

Almost surely, 2^1628872652 is an apocalyptic number.

It is an amenable number.

1628872652 is a deficient number, since it is larger than the sum of its proper divisors (1555236052).

1628872652 is a wasteful number, since it uses less digits than its factorization.

1628872652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210 (or 5208 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 1628872652 is about 40359.2944933382. The cubic root of 1628872652 is about 1176.6005414917.

The spelling of 1628872652 in words is "one billion, six hundred twenty-eight million, eight hundred seventy-two thousand, six hundred fifty-two".