426490 has 8 divisors (see below), whose sum is σ = 767700. Its totient is φ = 170592.

The previous prime is 426487. The next prime is 426527. The reversal of 426490 is 94624.

426490 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 81 = 653^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21315 + ... + 21334.

2⁴²⁶⁴⁹⁰ is an apocalyptic number.

426490 is a deficient number, since it is larger than the sum of its proper divisors (341210).

426490 is a wasteful number, since it uses less digits than its factorization.

426490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42656.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 426490 is about 653.0620184944. The cubic root of 426490 is about 75.2724902699.

The spelling of 426490 in words is "four hundred twenty-six thousand, four hundred ninety".