1150644 has 48 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 332640.

The previous prime is 1150631. The next prime is 1150649. The reversal of 1150644 is 4460511.

It is a super-2 number, since 2×1150644² = 2647963229472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1150644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150649) 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, 2847 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1150644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1150644 is an abundant number, since it is smaller than the sum of its proper divisors (1913676).

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

1150644 is a wasteful number, since it uses less digits than its factorization.

1150644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1150644 is about 1072.6807539991. The cubic root of 1150644 is about 104.7885085393.

The spelling of 1150644 in words is "one million, one hundred fifty thousand, six hundred forty-four".