426090 has 32 divisors (see below), whose sum is σ = 1169280. Its totient is φ = 97344.

The previous prime is 426089. The next prime is 426091. The reversal of 426090 is 90624.

It is an interprime number because it is at equal distance from previous prime (426089) and next prime (426091).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426090.

It is not an unprimeable number, because it can be changed into a prime (426091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 805 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2⁴²⁶⁰⁹⁰ is an apocalyptic number.

426090 is an abundant number, since it is smaller than the sum of its proper divisors (743190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426090 is a wasteful number, since it uses less digits than its factorization.

426090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 426090 is about 652.7556970261. The cubic root of 426090 is about 75.2489505120.

The spelling of 426090 in words is "four hundred twenty-six thousand, ninety".