1063689 has 8 divisors (see below), whose sum is σ = 1547232. Its totient is φ = 644640.

The previous prime is 1063661. The next prime is 1063693. The reversal of 1063689 is 9863601.

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

It is not a de Polignac number, because 1063689 - 2⁷ = 1063561 is a prime.

It is a super-2 number, since 2×1063689² = 2262868577442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 32233 = 1063689 / (1 + 0 + 6 + 3 + 6 + 8 + 9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1063609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16084 + ... + 16149.

It is an arithmetic number, because the mean of its divisors is an integer number (193404).

2^1063689 is an apocalyptic number.

It is an amenable number.

1063689 is a deficient number, since it is larger than the sum of its proper divisors (483543).

1063689 is a wasteful number, since it uses less digits than its factorization.

1063689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32247.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1063689 is about 1031.3529948568. The cubic root of 1063689 is about 102.0794267930.

The spelling of 1063689 in words is "one million, sixty-three thousand, six hundred eighty-nine".