1163489 has 4 divisors (see below), whose sum is σ = 1170624. Its totient is φ = 1156356.

The previous prime is 1163483. The next prime is 1163507. The reversal of 1163489 is 9843611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1163489 - 2⁴ = 1163473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (292656).

2^1163489 is an apocalyptic number.

It is an amenable number.

1163489 is a deficient number, since it is larger than the sum of its proper divisors (7135).

1163489 is an equidigital number, since it uses as much as digits as its factorization.

1163489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134.

The product of its digits is 5184, while the sum is 32.

The square root of 1163489 is about 1078.6514729049. The cubic root of 1163489 is about 105.1769955048.

The spelling of 1163489 in words is "one million, one hundred sixty-three thousand, four hundred eighty-nine".