1912828084 has 6 divisors (see below), whose sum is σ = 3347449154. Its totient is φ = 956414040.

The previous prime is 1912828037. The next prime is 1912828087. The reversal of 1912828084 is 4808282191.

It can be written as a sum of positive squares in only one way, i.e., 1633938084 + 278890000 = 40422^2 + 16700^2 .

It is a super-2 number, since 2×1912828084² = 7317822557878222112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1912828084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912828087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239103507 + ... + 239103514.

Almost surely, 2^1912828084 is an apocalyptic number.

It is an amenable number.

1912828084 is a deficient number, since it is larger than the sum of its proper divisors (1434621070).

1912828084 is a wasteful number, since it uses less digits than its factorization.

1912828084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478207025 (or 478207023 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 1912828084 is about 43735.8901132697. The cubic root of 1912828084 is about 1241.3435151864.

The spelling of 1912828084 in words is "one billion, nine hundred twelve million, eight hundred twenty-eight thousand, eighty-four".