654738 has 48 divisors (see below), whose sum is σ = 1625184. Its totient is φ = 174720.

The previous prime is 654727. The next prime is 654739. The reversal of 654738 is 837456.

Its product of digits (20160) is a multiple of the sum of its prime divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 654699 and 654708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4933 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (33858).

2⁶⁵⁴⁷³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812592).

654738 is an abundant number, since it is smaller than the sum of its proper divisors (970446).

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

654738 is a wasteful number, since it uses less digits than its factorization.

654738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 160 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 654738 is about 809.1588224817. The cubic root of 654738 is about 86.8338750888.

The spelling of 654738 in words is "six hundred fifty-four thousand, seven hundred thirty-eight".