1098036 has 30 divisors (see below), whose sum is σ = 2871330. Its totient is φ = 365904.

The previous prime is 1098023. The next prime is 1098037. The reversal of 1098036 is 6308901.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 8100 = 1044^2 + 90^2 .

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 (1098037) 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 9 ways as a sum of consecutive naturals, for example, 1371 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (95711).

2^1098036 is an apocalyptic number.

It is an amenable number.

1098036 is an abundant number, since it is smaller than the sum of its proper divisors (1773294).

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

1098036 is a wasteful number, since it uses less digits than its factorization.

1098036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1098036 is about 1047.8721296036. The cubic root of 1098036 is about 103.1665386379.

The spelling of 1098036 in words is "one million, ninety-eight thousand, thirty-six".