786536 has 8 divisors (see below), whose sum is σ = 1474770. Its totient is φ = 393264.

The previous prime is 786491. The next prime is 786547. The reversal of 786536 is 635687.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 649636 + 136900 = 806^2 + 370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 786496 and 786505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49151 + ... + 49166.

2⁷⁸⁶⁵³⁶ is an apocalyptic number.

It is an amenable number.

786536 is a deficient number, since it is larger than the sum of its proper divisors (688234).

786536 is a wasteful number, since it uses less digits than its factorization.

786536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98323 (or 98319 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 786536 is about 886.8686486735. The cubic root of 786536 is about 92.3080411668.

The spelling of 786536 in words is "seven hundred eighty-six thousand, five hundred thirty-six".