30426 has 16 divisors (see below), whose sum is σ = 66528. Its totient is φ = 9200.

The previous prime is 30403. The next prime is 30427. The reversal of 30426 is 62403.

30426 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a nialpdrome in base 8.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30426.

It is not an unprimeable number, because it can be changed into a prime (30427) 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, 165 + ... + 296.

It is an arithmetic number, because the mean of its divisors is an integer number (4158).

2³⁰⁴²⁶ is an apocalyptic number.

30426 is an abundant number, since it is smaller than the sum of its proper divisors (36102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33264).

30426 is a wasteful number, since it uses less digits than its factorization.

30426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30426 is about 174.4305019198. The cubic root of 30426 is about 31.2187100138.

Adding to 30426 its reverse (62403), we get a palindrome (92829).

The spelling of 30426 in words is "thirty thousand, four hundred twenty-six".