1973285628 has 96 divisors (see below), whose sum is σ = 4917212160. Its totient is φ = 614718720.

The previous prime is 1973285623. The next prime is 1973285707. The reversal of 1973285628 is 8265823791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973285623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4261725 + ... + 4262187.

It is an arithmetic number, because the mean of its divisors is an integer number (51220960).

Almost surely, 2^1973285628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973285628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458606080).

1973285628 is an abundant number, since it is smaller than the sum of its proper divisors (2943926532).

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

1973285628 is a wasteful number, since it uses less digits than its factorization.

1973285628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 1973285628 is about 44421.6797070980. The cubic root of 1973285628 is about 1254.2862198300.

The spelling of 1973285628 in words is "one billion, nine hundred seventy-three million, two hundred eighty-five thousand, six hundred twenty-eight".