1085504 has 28 divisors (see below), whose sum is σ = 2462784. Its totient is φ = 465024.

The previous prime is 1085473. The next prime is 1085509. The reversal of 1085504 is 4055801.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1085504.

It is not an unprimeable number, because it can be changed into a prime (1085509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764 + ... + 1659.

2^1085504 is an apocalyptic number.

1085504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1085504 is an abundant number, since it is smaller than the sum of its proper divisors (1377280).

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

1085504 is an equidigital number, since it uses as much as digits as its factorization.

1085504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1085504 is about 1041.8752324535. The cubic root of 1085504 is about 102.7725524384.

The spelling of 1085504 in words is "one million, eighty-five thousand, five hundred four".