1096638 has 8 divisors (see below), whose sum is σ = 2193288. Its totient is φ = 365544.

The previous prime is 1096631. The next prime is 1096639. The reversal of 1096638 is 8366901.

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

1096638 is an admirable number.

It is a super-2 number, since 2×1096638² = 2405229806088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1096599 and 1096608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1096631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91381 + ... + 91392.

It is an arithmetic number, because the mean of its divisors is an integer number (274161).

2^1096638 is an apocalyptic number.

1096638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1096638 is a wasteful number, since it uses less digits than its factorization.

1096638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182778.

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

The square root of 1096638 is about 1047.2048510201. The cubic root of 1096638 is about 103.1227367731.

The spelling of 1096638 in words is "one million, ninety-six thousand, six hundred thirty-eight".