654696 has 64 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 186624.

The previous prime is 654679. The next prime is 654697. The reversal of 654696 is 696456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 654696.

It is not an unprimeable number, because it can be changed into a prime (654697) by changing a digit.

654696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (32550).

2⁶⁵⁴⁶⁹⁶ 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 654696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041600).

654696 is an abundant number, since it is smaller than the sum of its proper divisors (1428504).

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

654696 is a wasteful number, since it uses less digits than its factorization.

654696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 445 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 654696 is about 809.1328691877. The cubic root of 654696 is about 86.8320183152.

It can be divided in two parts, 65 and 4696, that added together give a square (4761 = 69²).

The spelling of 654696 in words is "six hundred fifty-four thousand, six hundred ninety-six".