1039819428 has 36 divisors (see below), whose sum is σ = 2629421340. Its totient is φ = 346476096.

The previous prime is 1039819423. The next prime is 1039819477. The reversal of 1039819428 is 8249189301.

It can be written as a sum of positive squares in 2 ways, for example, as 388957284 + 650862144 = 19722^2 + 25512^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1039819423) 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 11 ways as a sum of consecutive naturals, for example, 163818 + ... + 170046.

Almost surely, 2^1039819428 is an apocalyptic number.

1039819428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1039819428 is an abundant number, since it is smaller than the sum of its proper divisors (1589601912).

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

1039819428 is a wasteful number, since it uses less digits than its factorization.

1039819428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1039819428 is about 32246.2312216482. The cubic root of 1039819428 is about 1013.1007631762.

The spelling of 1039819428 in words is "one billion, thirty-nine million, eight hundred nineteen thousand, four hundred twenty-eight".