842726 has 16 divisors (see below), whose sum is σ = 1354560. Its totient is φ = 392040.

The previous prime is 842701. The next prime is 842729. The reversal of 842726 is 627248.

It is a super-2 number, since 2×842726² = 1420374222152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (84660).

2⁸⁴²⁷²⁶ is an apocalyptic number.

842726 is a deficient number, since it is larger than the sum of its proper divisors (511834).

842726 is a wasteful number, since it uses less digits than its factorization.

842726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 5376, while the sum is 29.

The square root of 842726 is about 918.0010893240. The cubic root of 842726 is about 94.4558363293.

The spelling of 842726 in words is "eight hundred forty-two thousand, seven hundred twenty-six".