1628025384 has 16 divisors (see below), whose sum is σ = 4070063520. Its totient is φ = 542675120.

The previous prime is 1628025379. The next prime is 1628025457. The reversal of 1628025384 is 4835208261.

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 in 3 ways as a sum of consecutive naturals, for example, 33917172 + ... + 33917219.

It is an arithmetic number, because the mean of its divisors is an integer number (254378970).

Almost surely, 2^1628025384 is an apocalyptic number.

It is an amenable number.

1628025384 is an abundant number, since it is smaller than the sum of its proper divisors (2442038136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1628025384 is a wasteful number, since it uses less digits than its factorization.

1628025384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67834400 (or 67834396 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1628025384 is about 40348.7965619794. The cubic root of 1628025384 is about 1176.3965008047.

The spelling of 1628025384 in words is "one billion, six hundred twenty-eight million, twenty-five thousand, three hundred eighty-four".