1086649349 has 12 divisors (see below), whose sum is σ = 1163994624. Its totient is φ = 1014069672.

The previous prime is 1086649321. The next prime is 1086649351. The reversal of 1086649349 is 9439466801.

It is a de Polignac number, because none of the positive numbers 2^k-1086649349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1086649297 and 1086649306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086649379) 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 11 ways as a sum of consecutive naturals, for example, 1724 + ... + 46650.

It is an arithmetic number, because the mean of its divisors is an integer number (96999552).

Almost surely, 2^1086649349 is an apocalyptic number.

1086649349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1086649349 is a deficient number, since it is larger than the sum of its proper divisors (77345275).

1086649349 is an equidigital number, since it uses as much as digits as its factorization.

1086649349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45032 (or 45013 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 1086649349 is about 32964.3648353794. The cubic root of 1086649349 is about 1028.0868590403.

The spelling of 1086649349 in words is "one billion, eighty-six million, six hundred forty-nine thousand, three hundred forty-nine".