1085577449 has 8 divisors (see below), whose sum is σ = 1253929248. Its totient is φ = 928836160.

The previous prime is 1085577431. The next prime is 1085577457. The reversal of 1085577449 is 9447755801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085577449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1085577397 and 1085577406.

It is not an unprimeable number, because it can be changed into a prime (1085577469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902427 + ... + 2902800.

It is an arithmetic number, because the mean of its divisors is an integer number (156741156).

Almost surely, 2^1085577449 is an apocalyptic number.

It is an amenable number.

1085577449 is a deficient number, since it is larger than the sum of its proper divisors (168351799).

1085577449 is a wasteful number, since it uses less digits than its factorization.

1085577449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805255.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The square root of 1085577449 is about 32948.1023581025. The cubic root of 1085577449 is about 1027.7487036966.

The spelling of 1085577449 in words is "one billion, eighty-five million, five hundred seventy-seven thousand, four hundred forty-nine".