1136628 has 18 divisors (see below), whose sum is σ = 2873234. Its totient is φ = 378864.

The previous prime is 1136627. The next prime is 1136633. The reversal of 1136628 is 8266311.

1136628 is a `hidden beast` number, since 1 + 1 + 36 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 191844 = 972^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15751 + ... + 15822.

2^1136628 is an apocalyptic number.

1136628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1136628 is an abundant number, since it is smaller than the sum of its proper divisors (1736606).

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

1136628 is a wasteful number, since it uses less digits than its factorization.

1136628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31583 (or 31578 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1136628 is about 1066.1275721038. The cubic root of 1136628 is about 104.3612927366.

It can be divided in two parts, 1136 and 628, that added together give a square (1764 = 42²).

The spelling of 1136628 in words is "one million, one hundred thirty-six thousand, six hundred twenty-eight".