1136646 has 64 divisors (see below), whose sum is σ = 3010560. Its totient is φ = 311040.

The previous prime is 1136633. The next prime is 1136647. The reversal of 1136646 is 6466311.

1136646 is a `hidden beast` number, since 1 + 13 + 6 + 646 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11670 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (47040).

2^1136646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505280).

1136646 is an abundant number, since it is smaller than the sum of its proper divisors (1873914).

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

1136646 is a wasteful number, since it uses less digits than its factorization.

1136646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1136646 is about 1066.1360138369. The cubic root of 1136646 is about 104.3618436332.

The spelling of 1136646 in words is "one million, one hundred thirty-six thousand, six hundred forty-six".