654028 has 12 divisors (see below), whose sum is σ = 1194480. Its totient is φ = 312752.

The previous prime is 654023. The next prime is 654029. The reversal of 654028 is 820456.

It is a junction number, because it is equal to n+sod(n) for n = 653993 and 654011.

It is not an unprimeable number, because it can be changed into a prime (654023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2⁶⁵⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

654028 is a deficient number, since it is larger than the sum of its proper divisors (540452).

654028 is a wasteful number, since it uses less digits than its factorization.

654028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 654028 is about 808.7199762588. The cubic root of 654028 is about 86.8024760915.

The spelling of 654028 in words is "six hundred fifty-four thousand, twenty-eight".