654996 has 12 divisors (see below), whose sum is σ = 1528352. Its totient is φ = 218328.

The previous prime is 654991. The next prime is 655001. The reversal of 654996 is 699456.

It is an interprime number because it is at equal distance from previous prime (654991) and next prime (655001).

It is a tau number, because it is divible by the number of its divisors (12).

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 654996.

It is not an unprimeable number, because it can be changed into a prime (654991) by changing a digit.

654996 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 3 ways as a sum of consecutive naturals, for example, 27280 + ... + 27303.

2⁶⁵⁴⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

654996 is an abundant number, since it is smaller than the sum of its proper divisors (873356).

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

654996 is a wasteful number, since it uses less digits than its factorization.

654996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54590 (or 54588 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 654996 is about 809.3182315999. The cubic root of 654996 is about 86.8452792422.

The spelling of 654996 in words is "six hundred fifty-four thousand, nine hundred ninety-six".