1086649039 has 16 divisors (see below), whose sum is σ = 1269043200. Its totient is φ = 930080760.

The previous prime is 1086649037. The next prime is 1086649049. The reversal of 1086649039 is 9309466801.

It is not a de Polignac number, because 1086649039 - 2¹ = 1086649037 is a prime.

It is a super-2 number, since 2×1086649039² = 2361612267919247042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086649039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086649033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294174 + ... + 297844.

It is an arithmetic number, because the mean of its divisors is an integer number (79315200).

Almost surely, 2^1086649039 is an apocalyptic number.

1086649039 is a deficient number, since it is larger than the sum of its proper divisors (182394161).

1086649039 is an frugal number, since it uses more digits than its factorization.

1086649039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555 (or 4541 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1086649039 is about 32964.3601333319. The cubic root of 1086649039 is about 1028.0867612759.

The spelling of 1086649039 in words is "one billion, eighty-six million, six hundred forty-nine thousand, thirty-nine".