1086538 has 8 divisors (see below), whose sum is σ = 1725732. Its totient is φ = 511296.

The previous prime is 1086529. The next prime is 1086557. The reversal of 1086538 is 8356801.

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 100489 = 993^2 + 317^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15945 + ... + 16012.

2^1086538 is an apocalyptic number.

1086538 is a deficient number, since it is larger than the sum of its proper divisors (639194).

1086538 is a wasteful number, since it uses less digits than its factorization.

1086538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31976.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1086538 is about 1042.3713349858. The cubic root of 1086538 is about 102.8051741808.

The spelling of 1086538 in words is "one million, eighty-six thousand, five hundred thirty-eight".