654678396 has 96 divisors (see below), whose sum is σ = 1741824000. Its totient is φ = 212575104.

The previous prime is 654678331. The next prime is 654678439. The reversal of 654678396 is 693876456.

654678396 is a `hidden beast` number, since 6 + 546 + 7 + 8 + 3 + 96 = 666.

654678396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) 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 (54).

Its product of digits (6531840) is a multiple of the sum of its prime factors (1008).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808840 + ... + 809648.

It is an arithmetic number, because the mean of its divisors is an integer number (18144000).

Almost surely, 2^654678396 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 654678396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870912000).

654678396 is an abundant number, since it is smaller than the sum of its proper divisors (1087145604).

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

654678396 is a wasteful number, since it uses less digits than its factorization.

654678396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1000 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 654678396 is about 25586.6839586532. The cubic root of 654678396 is about 868.3124003813.

The spelling of 654678396 in words is "six hundred fifty-four million, six hundred seventy-eight thousand, three hundred ninety-six".