10291338 has 12 divisors (see below), whose sum is σ = 22297938. Its totient is φ = 3430440.

The previous prime is 10291297. The next prime is 10291357. The reversal of 10291338 is 83319201.

It can be written as a sum of positive squares in only one way, i.e., 8311689 + 1979649 = 2883^2 + 1407^2 .

It is a nialpdrome in base 15.

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, 285853 + ... + 285888.

Almost surely, 2^10291338 is an apocalyptic number.

10291338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10291338 is an abundant number, since it is smaller than the sum of its proper divisors (12006600).

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

10291338 is a wasteful number, since it uses less digits than its factorization.

10291338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571749 (or 571746 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10291338 is about 3208.0115336451. The cubic root of 10291338 is about 217.5157023939.

The spelling of 10291338 in words is "ten million, two hundred ninety-one thousand, three hundred thirty-eight".