1163649 has 8 divisors (see below), whose sum is σ = 1560832. Its totient is φ = 771120.

The previous prime is 1163641. The next prime is 1163651. The reversal of 1163649 is 9463611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1163649 - 2³ = 1163641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163641) 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 7 ways as a sum of consecutive naturals, for example, 529 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (195104).

2^1163649 is an apocalyptic number.

It is an amenable number.

1163649 is a deficient number, since it is larger than the sum of its proper divisors (397183).

1163649 is a wasteful number, since it uses less digits than its factorization.

1163649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its digits is 3888, while the sum is 30.

The square root of 1163649 is about 1078.7256370366. The cubic root of 1163649 is about 105.1818165067.

The spelling of 1163649 in words is "one million, one hundred sixty-three thousand, six hundred forty-nine".