10687089 has 8 divisors (see below), whose sum is σ = 16285120. Its totient is φ = 6106896.

The previous prime is 10687087. The next prime is 10687093. The reversal of 10687089 is 98078601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10687089 - 2¹ = 10687087 is a prime.

It is a super-2 number, since 2×10687089² = 228427742587842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10687081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254434 + ... + 254475.

It is an arithmetic number, because the mean of its divisors is an integer number (2035640).

Almost surely, 2^10687089 is an apocalyptic number.

It is an amenable number.

10687089 is a deficient number, since it is larger than the sum of its proper divisors (5598031).

10687089 is an equidigital number, since it uses as much as digits as its factorization.

10687089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508919.

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

The square root of 10687089 is about 3269.1113471401. Note that the first 3 decimals coincide. The cubic root of 10687089 is about 220.2688792367.

The spelling of 10687089 in words is "ten million, six hundred eighty-seven thousand, eighty-nine".