10389240 has 48 divisors (see below), whose sum is σ = 33766200. Its totient is φ = 2770368.

The previous prime is 10389233. The next prime is 10389241. The reversal of 10389240 is 4298301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10389241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14070 + ... + 14789.

Almost surely, 2^10389240 is an apocalyptic number.

10389240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10389240 is an abundant number, since it is smaller than the sum of its proper divisors (23376960).

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

10389240 is a wasteful number, since it uses less digits than its factorization.

10389240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28876 (or 28869 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10389240 is about 3223.2344004121. The cubic root of 10389240 is about 218.2032725115.

The spelling of 10389240 in words is "ten million, three hundred eighty-nine thousand, two hundred forty".