654372 has 48 divisors (see below), whose sum is σ = 1740480. Its totient is φ = 212544.

The previous prime is 654371. The next prime is 654397. The reversal of 654372 is 273456.

It is a happy number.

654372 is a `hidden beast` number, since 654 + 3 + 7 + 2 = 666.

654372 is nontrivially palindromic in base 11.

654372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (654371) 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, 7843 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (36260).

2⁶⁵⁴³⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870240).

654372 is an abundant number, since it is smaller than the sum of its proper divisors (1086108).

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

654372 is a wasteful number, since it uses less digits than its factorization.

654372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 161 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 654372 is about 808.9326300750. The cubic root of 654372 is about 86.8176919631.

The spelling of 654372 in words is "six hundred fifty-four thousand, three hundred seventy-two".