1088564 has 6 divisors (see below), whose sum is σ = 1904994. Its totient is φ = 544280.

The previous prime is 1088543. The next prime is 1088569. The reversal of 1088564 is 4658801.

It can be written as a sum of positive squares in only one way, i.e., 960400 + 128164 = 980^2 + 358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1088564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136067 + ... + 136074.

It is an arithmetic number, because the mean of its divisors is an integer number (317499).

2^1088564 is an apocalyptic number.

It is an amenable number.

1088564 is a deficient number, since it is larger than the sum of its proper divisors (816430).

1088564 is a wasteful number, since it uses less digits than its factorization.

1088564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272145 (or 272143 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1088564 is about 1043.3427049632. The cubic root of 1088564 is about 102.8690326496.

The spelling of 1088564 in words is "one million, eighty-eight thousand, five hundred sixty-four".