426418 has 4 divisors (see below), whose sum is σ = 639630. Its totient is φ = 213208.

The previous prime is 426407. The next prime is 426421. The reversal of 426418 is 814624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 9 = 653^2 + 3^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426392 and 426401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106603 + ... + 106606.

2⁴²⁶⁴¹⁸ is an apocalyptic number.

426418 is a deficient number, since it is larger than the sum of its proper divisors (213212).

426418 is a wasteful number, since it uses less digits than its factorization.

426418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213211.

The product of its digits is 1536, while the sum is 25.

The square root of 426418 is about 653.0068912347. The cubic root of 426418 is about 75.2682542000.

The spelling of 426418 in words is "four hundred twenty-six thousand, four hundred eighteen".