654854 has 12 divisors (see below), whose sum is σ = 1037844. Its totient is φ = 309852.

The previous prime is 654853. The next prime is 654877. The reversal of 654854 is 458456.

It is a super-2 number, since 2×654854² = 857667522632, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 654854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (86487).

2⁶⁵⁴⁸⁵⁴ is an apocalyptic number.

654854 is a deficient number, since it is larger than the sum of its proper divisors (382990).

654854 is a wasteful number, since it uses less digits than its factorization.

654854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 928 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 654854 is about 809.2304986838. The cubic root of 654854 is about 86.8390029082.

The spelling of 654854 in words is "six hundred fifty-four thousand, eight hundred fifty-four".