426619 has 8 divisors (see below), whose sum is σ = 452160. Its totient is φ = 401856.

The previous prime is 426611. The next prime is 426631. The reversal of 426619 is 916624.

426619 = 107² + 108² + ... + 135².

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

It is a cyclic number.

It is not a de Polignac number, because 426619 - 2³ = 426611 is a prime.

It is a super-2 number, since 2×426619² = 364007542322, which contains 22 as substring.

It is a Duffinian number.

426619 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (426611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (56520).

2⁴²⁶⁶¹⁹ is an apocalyptic number.

426619 is a deficient number, since it is larger than the sum of its proper divisors (25541).

426619 is a wasteful number, since it uses less digits than its factorization.

426619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 2592, while the sum is 28.

The square root of 426619 is about 653.1607765321. The cubic root of 426619 is about 75.2800787029.

The spelling of 426619 in words is "four hundred twenty-six thousand, six hundred nineteen".