1028370285 has 24 divisors (see below), whose sum is σ = 1840011264. Its totient is φ = 530771040.

The previous prime is 1028370229. The next prime is 1028370311. The reversal of 1028370285 is 5820738201.

1028370285 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 370 + 285 = 666.

It is not a de Polignac number, because 1028370285 - 2⁷ = 1028370157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367197 + ... + 369986.

It is an arithmetic number, because the mean of its divisors is an integer number (76667136).

Almost surely, 2^1028370285 is an apocalyptic number.

1028370285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1028370285 is a deficient number, since it is larger than the sum of its proper divisors (811640979).

1028370285 is a wasteful number, since it uses less digits than its factorization.

1028370285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737225 (or 737222 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1028370285 is about 32068.2129997916. The cubic root of 1028370285 is about 1009.3687147445.

The spelling of 1028370285 in words is "one billion, twenty-eight million, three hundred seventy thousand, two hundred eighty-five".