426290 has 16 divisors (see below), whose sum is σ = 784512. Its totient is φ = 166704.

The previous prime is 426287. The next prime is 426301. The reversal of 426290 is 92624.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (49032).

2⁴²⁶²⁹⁰ is an apocalyptic number.

426290 is a deficient number, since it is larger than the sum of its proper divisors (358222).

426290 is a wasteful number, since it uses less digits than its factorization.

426290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 426290 is about 652.9088757246. The cubic root of 426290 is about 75.2607222316.

The spelling of 426290 in words is "four hundred twenty-six thousand, two hundred ninety".