10868991 has 8 divisors (see below), whose sum is σ = 16562304. Its totient is φ = 6210840.

The previous prime is 10868983. The next prime is 10868993. The reversal of 10868991 is 19986801.

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

It is not a de Polignac number, because 10868991 - 2³ = 10868983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10868993) 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, 258765 + ... + 258806.

It is an arithmetic number, because the mean of its divisors is an integer number (2070288).

Almost surely, 2^10868991 is an apocalyptic number.

10868991 is a deficient number, since it is larger than the sum of its proper divisors (5693313).

10868991 is an equidigital number, since it uses as much as digits as its factorization.

10868991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517581.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 10868991 is about 3296.8152814497. The cubic root of 10868991 is about 221.5115671831.

The spelling of 10868991 in words is "ten million, eight hundred sixty-eight thousand, nine hundred ninety-one".