826042 has 12 divisors (see below), whose sum is σ = 1441530. Its totient is φ = 353976.

The previous prime is 826039. The next prime is 826051. The reversal of 826042 is 240628.

It can be written as a sum of positive squares in only one way, i.e., 790321 + 35721 = 889^2 + 189^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4117 + ... + 4312.

2⁸²⁶⁰⁴² is an apocalyptic number.

826042 is a deficient number, since it is larger than the sum of its proper divisors (615488).

826042 is a wasteful number, since it uses less digits than its factorization.

826042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445 (or 8438 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 826042 is about 908.8685273460. The cubic root of 826042 is about 93.8283422188.

The spelling of 826042 in words is "eight hundred twenty-six thousand, forty-two".