1030928238 has 12 divisors (see below), whose sum is σ = 2233677888. Its totient is φ = 343642740.

The previous prime is 1030928237. The next prime is 1030928257. The reversal of 1030928238 is 8328290301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030928237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28636878 + ... + 28636913.

It is an arithmetic number, because the mean of its divisors is an integer number (186139824).

Almost surely, 2^1030928238 is an apocalyptic number.

1030928238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1030928238 is an abundant number, since it is smaller than the sum of its proper divisors (1202749650).

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

1030928238 is a wasteful number, since it uses less digits than its factorization.

1030928238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57273799 (or 57273796 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1030928238 is about 32108.0712282753. The cubic root of 1030928238 is about 1010.2049180660.

The spelling of 1030928238 in words is "one billion, thirty million, nine hundred twenty-eight thousand, two hundred thirty-eight".