1028904375 has 20 divisors (see below), whose sum is σ = 1714295000. Its totient is φ = 548748000.

The previous prime is 1028904341. The next prime is 1028904377. The reversal of 1028904375 is 5734098201.

It is not a de Polignac number, because 1028904375 - 2¹⁵ = 1028871607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028904377) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272500 + ... + 276249.

It is an arithmetic number, because the mean of its divisors is an integer number (85714750).

Almost surely, 2^1028904375 is an apocalyptic number.

1028904375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1028904375 is a deficient number, since it is larger than the sum of its proper divisors (685390625).

1028904375 is an frugal number, since it uses more digits than its factorization.

1028904375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548772 (or 548757 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1028904375 is about 32076.5393239358. The cubic root of 1028904375 is about 1009.5434249777.

The spelling of 1028904375 in words is "one billion, twenty-eight million, nine hundred four thousand, three hundred seventy-five".