506454 has 32 divisors (see below), whose sum is σ = 1123584. Its totient is φ = 151200.

The previous prime is 506449. The next prime is 506459. The reversal of 506454 is 454605.

It is an interprime number because it is at equal distance from previous prime (506449) and next prime (506459).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506454.

It is not an unprimeable number, because it can be changed into a prime (506459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3279 + ... + 3429.

It is an arithmetic number, because the mean of its divisors is an integer number (35112).

2⁵⁰⁶⁴⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 506454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561792).

506454 is an abundant number, since it is smaller than the sum of its proper divisors (617130).

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

506454 is a wasteful number, since it uses less digits than its factorization.

506454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 506454 is about 711.6558156862. The cubic root of 506454 is about 79.7100965522.

The spelling of 506454 in words is "five hundred six thousand, four hundred fifty-four".