1086357749 has 8 divisors (see below), whose sum is σ = 1166019480. Its totient is φ = 1008446976.

The previous prime is 1086357743. The next prime is 1086357751. The reversal of 1086357749 is 9477536801.

It can be written as a sum of positive squares in 4 ways, for example, as 658281649 + 428076100 = 25657^2 + 20690^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1086357749 - 2⁴ = 1086357733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1086357697 and 1086357706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086357743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436454 + ... + 438935.

It is an arithmetic number, because the mean of its divisors is an integer number (145752435).

Almost surely, 2^1086357749 is an apocalyptic number.

It is an amenable number.

1086357749 is a deficient number, since it is larger than the sum of its proper divisors (79661731).

1086357749 is an equidigital number, since it uses as much as digits as its factorization.

1086357749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875479.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1086357749 is about 32959.9415806521. The cubic root of 1086357749 is about 1027.9948891856.

The spelling of 1086357749 in words is "one billion, eighty-six million, three hundred fifty-seven thousand, seven hundred forty-nine".