1155408 has 20 divisors (see below), whose sum is σ = 2984928. Its totient is φ = 385120.

The previous prime is 1155403. The next prime is 1155419. The reversal of 1155408 is 8045511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11988 + ... + 12083.

2^1155408 is an apocalyptic number.

It is an amenable number.

1155408 is an abundant number, since it is smaller than the sum of its proper divisors (1829520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155408 is a wasteful number, since it uses less digits than its factorization.

1155408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24082 (or 24076 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1155408 is about 1074.8990650289. The cubic root of 1155408 is about 104.9329276859.

The spelling of 1155408 in words is "one million, one hundred fifty-five thousand, four hundred eight".