1916432828 has 6 divisors (see below), whose sum is σ = 3353757456. Its totient is φ = 958216412.

The previous prime is 1916432821. The next prime is 1916432863. The reversal of 1916432828 is 8282346191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916432821) 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 as a sum of consecutive naturals, namely, 239554100 + ... + 239554107.

It is an arithmetic number, because the mean of its divisors is an integer number (558959576).

Almost surely, 2^1916432828 is an apocalyptic number.

It is an amenable number.

1916432828 is a deficient number, since it is larger than the sum of its proper divisors (1437324628).

1916432828 is a wasteful number, since it uses less digits than its factorization.

1916432828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479108211 (or 479108209 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 1916432828 is about 43777.0810813147. The cubic root of 1916432828 is about 1242.1228006985.

The spelling of 1916432828 in words is "one billion, nine hundred sixteen million, four hundred thirty-two thousand, eight hundred twenty-eight".