1096639 has 2 divisors, whose sum is σ = 1096640. Its totient is φ = 1096638.

The previous prime is 1096631. The next prime is 1096673. The reversal of 1096639 is 9366901.

It is an a-pointer prime, because the next prime (1096673) can be obtained adding 1096639 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1096639 - 2³ = 1096631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1096631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548319 + 548320.

It is an arithmetic number, because the mean of its divisors is an integer number (548320).

2^1096639 is an apocalyptic number.

1096639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1096639 is an equidigital number, since it uses as much as digits as its factorization.

1096639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1096639 is about 1047.2053284815. The cubic root of 1096639 is about 103.1227681182.

The spelling of 1096639 in words is "one million, ninety-six thousand, six hundred thirty-nine".