10889387 has 4 divisors (see below), whose sum is σ = 10901616. Its totient is φ = 10877160.

The previous prime is 10889377. The next prime is 10889393. The reversal of 10889387 is 78398801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78398801 = 13 ⋅6030677.

It is a cyclic number.

It is not a de Polignac number, because 10889387 - 2⁴ = 10889371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10889357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4664 + ... + 6597.

It is an arithmetic number, because the mean of its divisors is an integer number (2725404).

Almost surely, 2^10889387 is an apocalyptic number.

10889387 is a deficient number, since it is larger than the sum of its proper divisors (12229).

10889387 is an equidigital number, since it uses as much as digits as its factorization.

10889387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 10889387 is about 3299.9071199050. The cubic root of 10889387 is about 221.6500383881.

The spelling of 10889387 in words is "ten million, eight hundred eighty-nine thousand, three hundred eighty-seven".