1081626 has 48 divisors (see below), whose sum is σ = 2719584. Its totient is φ = 284256.

The previous prime is 1081583. The next prime is 1081631. The reversal of 1081626 is 6261801.

It is a junction number, because it is equal to n+sod(n) for n = 1081596 and 1081605.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3681 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (56658).

2^1081626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359792).

1081626 is an abundant number, since it is smaller than the sum of its proper divisors (1637958).

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

1081626 is a wasteful number, since it uses less digits than its factorization.

1081626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1081626 is about 1040.0124999249. The cubic root of 1081626 is about 102.6500202579.

The spelling of 1081626 in words is "one million, eighty-one thousand, six hundred twenty-six".