10389870 has 80 divisors (see below), whose sum is σ = 28435968. Its totient is φ = 2721600.

The previous prime is 10389853. The next prime is 10389877. The reversal of 10389870 is 7898301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10389877) 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 39 ways as a sum of consecutive naturals, for example, 81747 + ... + 81873.

Almost surely, 2^10389870 is an apocalyptic number.

10389870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10389870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14217984).

10389870 is an abundant number, since it is smaller than the sum of its proper divisors (18046098).

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

10389870 is a wasteful number, since it uses less digits than its factorization.

10389870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 10389870 is about 3223.3321268526. The cubic root of 10389870 is about 218.2076830132.

The spelling of 10389870 in words is "ten million, three hundred eighty-nine thousand, eight hundred seventy".