10689478 has 4 divisors (see below), whose sum is σ = 16034220. Its totient is φ = 5344738.

The previous prime is 10689467. The next prime is 10689527. The reversal of 10689478 is 87498601.

10689478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10689478² = 228529879824968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2672368 + ... + 2672371.

It is an arithmetic number, because the mean of its divisors is an integer number (4008555).

Almost surely, 2^10689478 is an apocalyptic number.

10689478 is a deficient number, since it is larger than the sum of its proper divisors (5344742).

10689478 is an equidigital number, since it uses as much as digits as its factorization.

10689478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344741.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 10689478 is about 3269.4767165404. The cubic root of 10689478 is about 220.2852910381.

The spelling of 10689478 in words is "ten million, six hundred eighty-nine thousand, four hundred seventy-eight".