1149886 has 16 divisors (see below), whose sum is σ = 1819440. Its totient is φ = 544320.

The previous prime is 1149881. The next prime is 1149887. The reversal of 1149886 is 6889411.

It is a happy number.

1149886 is a nontrivial binomial coefficient, being equal to C(1517, 2).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2845 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (113715).

2^1149886 is an apocalyptic number.

1149886 is the 1516-th triangular number.

1149886 is the 506-th centered nonagonal number.

1149886 is a deficient number, since it is larger than the sum of its proper divisors (669554).

1149886 is a wasteful number, since it uses less digits than its factorization.

1149886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 13824, while the sum is 37.

The square root of 1149886 is about 1072.3273753850. The cubic root of 1149886 is about 104.7654932721.

It can be divided in two parts, 114 and 9886, that added together give a 4-th power (10000 = 10⁴).

The spelling of 1149886 in words is "one million, one hundred forty-nine thousand, eight hundred eighty-six".