422786 has 32 divisors (see below), whose sum is σ = 822528. Its totient is φ = 158400.

The previous prime is 422761. The next prime is 422789. The reversal of 422786 is 687224.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422786.

It is not an unprimeable number, because it can be changed into a prime (422789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4136 + ... + 4236.

It is an arithmetic number, because the mean of its divisors is an integer number (25704).

2⁴²²⁷⁸⁶ is an apocalyptic number.

422786 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

422786 is a deficient number, since it is larger than the sum of its proper divisors (399742).

422786 is a wasteful number, since it uses less digits than its factorization.

422786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146.

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

The square root of 422786 is about 650.2199627818. The cubic root of 422786 is about 75.0539463731.

The spelling of 422786 in words is "four hundred twenty-two thousand, seven hundred eighty-six".