654387 has 8 divisors (see below), whose sum is σ = 876480. Its totient is φ = 434280.

The previous prime is 654371. The next prime is 654397. The reversal of 654387 is 783456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 654387 - 2⁴ = 654371 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (654307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 1322.

It is an arithmetic number, because the mean of its divisors is an integer number (109560).

2⁶⁵⁴³⁸⁷ is an apocalyptic number.

654387 is a deficient number, since it is larger than the sum of its proper divisors (222093).

654387 is a wasteful number, since it uses less digits than its factorization.

654387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its digits is 20160, while the sum is 33.

The square root of 654387 is about 808.9419014985. The cubic root of 654387 is about 86.8183553245.

The spelling of 654387 in words is "six hundred fifty-four thousand, three hundred eighty-seven".