1992542828 has 12 divisors (see below), whose sum is σ = 3520804560. Its totient is φ = 986598672.

The previous prime is 1992542821. The next prime is 1992542837. The reversal of 1992542828 is 8282452991.

It is a super-3 number, since 3×1992542828³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1992542821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417723 + ... + 2418546.

It is an arithmetic number, because the mean of its divisors is an integer number (293400380).

Almost surely, 2^1992542828 is an apocalyptic number.

It is an amenable number.

1992542828 is a deficient number, since it is larger than the sum of its proper divisors (1528261732).

1992542828 is a wasteful number, since it uses less digits than its factorization.

1992542828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836376 (or 4836374 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 1992542828 is about 44637.9079706924. The cubic root of 1992542828 is about 1258.3531916499.

The spelling of 1992542828 in words is "one billion, nine hundred ninety-two million, five hundred forty-two thousand, eight hundred twenty-eight".