10887643 has 8 divisors (see below), whose sum is σ = 11998448. Its totient is φ = 9815904.

The previous prime is 10887641. The next prime is 10887647. The reversal of 10887643 is 34678801.

It is a happy number.

10887643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10887643 - 2¹ = 10887641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10887641) 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, 9180 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (1499806).

Almost surely, 2^10887643 is an apocalyptic number.

10887643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10887643 is a deficient number, since it is larger than the sum of its proper divisors (1110805).

10887643 is a wasteful number, since it uses less digits than its factorization.

10887643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19533.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 10887643 is about 3299.6428594622. The cubic root of 10887643 is about 221.6382048997.

The spelling of 10887643 in words is "ten million, eight hundred eighty-seven thousand, six hundred forty-three".