1087849 has 9 divisors (see below), whose sum is σ = 1274007. Its totient is φ = 926184.

The previous prime is 1087843. The next prime is 1087861. The reversal of 1087849 is 9487801.

The square root of 1087849 is 1043.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 127449 + 960400 = 357^2 + 980^2 .

It is not a de Polignac number, because 1087849 - 2³ = 1087841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7227 + ... + 7375.

2^1087849 is an apocalyptic number.

1087849 is the 1043-rd square number.

1087849 is the 522-nd centered octagonal number.

It is an amenable number.

1087849 is a deficient number, since it is larger than the sum of its proper divisors (186158).

1087849 is an frugal number, since it uses more digits than its factorization.

1087849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The cubic root of 1087849 is about 102.8465052748.

It can be divided in two parts, 1087 and 849, that added together give a square (1936 = 44²).

The spelling of 1087849 in words is "one million, eighty-seven thousand, eight hundred forty-nine".