10538940 has 24 divisors (see below), whose sum is σ = 29509200. Its totient is φ = 2810368.

The previous prime is 10538933. The next prime is 10538959. The reversal of 10538940 is 4983501.

It is a super-2 number, since 2×10538940² = 222138512647200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10538898 and 10538907.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 87765 + ... + 87884.

It is an arithmetic number, because the mean of its divisors is an integer number (1229550).

Almost surely, 2^10538940 is an apocalyptic number.

10538940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10538940 is an abundant number, since it is smaller than the sum of its proper divisors (18970260).

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

10538940 is a wasteful number, since it uses less digits than its factorization.

10538940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175661 (or 175659 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10538940 is about 3246.3733611524. The cubic root of 10538940 is about 219.2463190429.

The spelling of 10538940 in words is "ten million, five hundred thirty-eight thousand, nine hundred forty".