654264 has 64 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 200448.

The previous prime is 654257. The next prime is 654293. The reversal of 654264 is 462456.

It is a happy number.

654264 is a `hidden beast` number, since 654 + 2 + 6 + 4 = 666.

It is a super-2 number, since 2×654264² = 856122763392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

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 654264.

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 15 ways as a sum of consecutive naturals, for example, 2692 + ... + 2924.

2⁶⁵⁴²⁶⁴ 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 654264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982800).

654264 is an abundant number, since it is smaller than the sum of its proper divisors (1311336).

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

654264 is a wasteful number, since it uses less digits than its factorization.

654264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 251 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 654264 is about 808.8658726884. The cubic root of 654264 is about 86.8129154615.

The spelling of 654264 in words is "six hundred fifty-four thousand, two hundred sixty-four".