10340538 has 32 divisors (see below), whose sum is σ = 22880256. Its totient is φ = 3094848.

The previous prime is 10340527. The next prime is 10340543. The reversal of 10340538 is 83504301.

It is a super-2 number, since 2×10340538² = 213853452258888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095 + ... + 4677.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^10340538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10340538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11440128).

10340538 is an abundant number, since it is smaller than the sum of its proper divisors (12539718).

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

10340538 is a wasteful number, since it uses less digits than its factorization.

10340538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10340538 is about 3215.6706920952. The cubic root of 10340538 is about 217.8617786654.

Adding to 10340538 its reverse (83504301), we get a palindrome (93844839).

It can be divided in two parts, 10340 and 538, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 10340538 in words is "ten million, three hundred forty thousand, five hundred thirty-eight".