426615 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 182784.

The previous prime is 426611. The next prime is 426631. The reversal of 426615 is 516624.

It is not a de Polignac number, because 426615 - 2² = 426611 is a prime.

It is a nialpdrome in base 15.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1666 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2⁴²⁶⁶¹⁵ is an apocalyptic number.

426615 is a deficient number, since it is larger than the sum of its proper divisors (402825).

426615 is a wasteful number, since it uses less digits than its factorization.

426615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 1440, while the sum is 24.

The square root of 426615 is about 653.1577144917. The cubic root of 426615 is about 75.2798434256.

Subtracting 426615 from its reverse (516624), we obtain a palindrome (90009).

The spelling of 426615 in words is "four hundred twenty-six thousand, six hundred fifteen".