426019 has 4 divisors (see below), whose sum is σ = 464760. Its totient is φ = 387280.

The previous prime is 426011. The next prime is 426061. The reversal of 426019 is 910624.

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

It is a cyclic number.

It is not a de Polignac number, because 426019 - 2³ = 426011 is a prime.

It is a super-2 number, since 2×426019² = 362984376722, which contains 22 as substring.

It is a Duffinian number.

426019 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (426011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19354 + ... + 19375.

It is an arithmetic number, because the mean of its divisors is an integer number (116190).

2⁴²⁶⁰¹⁹ is an apocalyptic number.

426019 is a deficient number, since it is larger than the sum of its proper divisors (38741).

426019 is a wasteful number, since it uses less digits than its factorization.

426019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38740.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 426019 is about 652.7013099420. The cubic root of 426019 is about 75.2447706656.

The spelling of 426019 in words is "four hundred twenty-six thousand, nineteen".