1028939050 has 12 divisors (see below), whose sum is σ = 1913826726. Its totient is φ = 411575600.

The previous prime is 1028939047. The next prime is 1028939069. The reversal of 1028939050 is 509398201.

It can be written as a sum of positive squares in 3 ways, for example, as 684502569 + 344436481 = 26163^2 + 18559^2 .

It is a super-2 number, since 2×1028939050² = 2117431137229805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10289341 + ... + 10289440.

Almost surely, 2^1028939050 is an apocalyptic number.

1028939050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028939050 is a deficient number, since it is larger than the sum of its proper divisors (884887676).

1028939050 is a wasteful number, since it uses less digits than its factorization.

1028939050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578793 (or 20578788 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1028939050 is about 32077.0798234503. The cubic root of 1028939050 is about 1009.5547656898.

The spelling of 1028939050 in words is "one billion, twenty-eight million, nine hundred thirty-nine thousand, fifty".