1153808 has 20 divisors (see below), whose sum is σ = 2297100. Its totient is φ = 561024.

The previous prime is 1153799. The next prime is 1153811. The reversal of 1153808 is 8083511.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 169744 = 992^2 + 412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (114855).

2^1153808 is an apocalyptic number.

It is an amenable number.

1153808 is a deficient number, since it is larger than the sum of its proper divisors (1143292).

1153808 is a wasteful number, since it uses less digits than its factorization.

1153808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1153808 is about 1074.1545512635. The cubic root of 1153808 is about 104.8844685434.

The spelling of 1153808 in words is "one million, one hundred fifty-three thousand, eight hundred eight".