1099485 has 24 divisors (see below), whose sum is σ = 1945944. Its totient is φ = 574080.

The previous prime is 1099463. The next prime is 1099487. The reversal of 1099485 is 5849901.

It can be written as a sum of positive squares in 4 ways, for example, as 125316 + 974169 = 354^2 + 987^2 .

It is not a de Polignac number, because 1099485 - 2⁶ = 1099421 is a prime.

1099485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2155 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (81081).

2^1099485 is an apocalyptic number.

1099485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1099485 is a deficient number, since it is larger than the sum of its proper divisors (846459).

1099485 is a wasteful number, since it uses less digits than its factorization.

1099485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1099485 is about 1048.5633028101. The cubic root of 1099485 is about 103.2118992048.

The spelling of 1099485 in words is "one million, ninety-nine thousand, four hundred eighty-five".