1088643 has 16 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 675360.

The previous prime is 1088641. The next prime is 1088657. The reversal of 1088643 is 3468801.

It is a happy number.

It is not a de Polignac number, because 1088643 - 2¹ = 1088641 is a prime.

1088643 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088643.

It is not an unprimeable number, because it can be changed into a prime (1088641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913 + ... + 4181.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2^1088643 is an apocalyptic number.

1088643 is a deficient number, since it is larger than the sum of its proper divisors (466557).

1088643 is a wasteful number, since it uses less digits than its factorization.

1088643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1088643 is about 1043.3805633612. The cubic root of 1088643 is about 102.8715210830.

The spelling of 1088643 in words is "one million, eighty-eight thousand, six hundred forty-three".