1029253338 has 32 divisors (see below), whose sum is σ = 2421774720. Its totient is φ = 322902720.

The previous prime is 1029253331. The next prime is 1029253343. The reversal of 1029253338 is 8333529201.

1029253338 is a `hidden beast` number, since 1 + 0 + 2 + 92 + 533 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (1029253331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559678 + ... + 561513.

It is an arithmetic number, because the mean of its divisors is an integer number (75680460).

Almost surely, 2^1029253338 is an apocalyptic number.

1029253338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1029253338 is an abundant number, since it is smaller than the sum of its proper divisors (1392521382).

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

1029253338 is a wasteful number, since it uses less digits than its factorization.

1029253338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121219 (or 1121213 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1029253338 is about 32081.9783990950. The cubic root of 1029253338 is about 1009.6575442584.

The spelling of 1029253338 in words is "one billion, twenty-nine million, two hundred fifty-three thousand, three hundred thirty-eight".