10689870 has 32 divisors (see below), whose sum is σ = 25754400. Its totient is φ = 2839680.

The previous prime is 10689863. The next prime is 10689881. The reversal of 10689870 is 7898601.

10689870 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10689870² = 228546641233800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9960 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (804825).

Almost surely, 2^10689870 is an apocalyptic number.

10689870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10689870 is an abundant number, since it is smaller than the sum of its proper divisors (15064530).

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

10689870 is a wasteful number, since it uses less digits than its factorization.

10689870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 10689870 is about 3269.5366644220. The cubic root of 10689870 is about 220.2879837414.

The spelling of 10689870 in words is "ten million, six hundred eighty-nine thousand, eight hundred seventy".