1088646 has 32 divisors (see below), whose sum is σ = 2485728. Its totient is φ = 314880.

The previous prime is 1088641. The next prime is 1088657. The reversal of 1088646 is 6468801.

It is a super-2 number, since 2×1088646² = 2370300226632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (77679).

2^1088646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1088646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242864).

1088646 is an abundant number, since it is smaller than the sum of its proper divisors (1397082).

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

1088646 is a wasteful number, since it uses less digits than its factorization.

1088646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1088646 is about 1043.3820009948. The cubic root of 1088646 is about 102.8716155781.

The spelling of 1088646 in words is "one million, eighty-eight thousand, six hundred forty-six".