654030 has 72 divisors (see below), whose sum is σ = 1884168. Its totient is φ = 157248.

The previous prime is 654029. The next prime is 654047. The reversal of 654030 is 30456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 653994 and 654012.

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 654030.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15189 + ... + 15231.

It is an arithmetic number, because the mean of its divisors is an integer number (26169).

2⁶⁵⁴⁰³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942084).

654030 is an abundant number, since it is smaller than the sum of its proper divisors (1230138).

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

654030 is a wasteful number, since it uses less digits than its factorization.

654030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 654030 is about 808.7212127798. The cubic root of 654030 is about 86.8025645713.

Adding to 654030 its reverse (30456), we get a palindrome (684486).

It can be divided in two parts, 65 and 4030, that added together give a triangular number (4095 = T₉₀).

The spelling of 654030 in words is "six hundred fifty-four thousand, thirty".