654564396 has 48 divisors (see below), whose sum is σ = 1621033344. Its totient is φ = 204861696.

The previous prime is 654564377. The next prime is 654564397. The reversal of 654564396 is 693465456.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (654564397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86751 + ... + 93993.

It is an arithmetic number, because the mean of its divisors is an integer number (33771528).

Almost surely, 2^654564396 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 654564396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810516672).

654564396 is an abundant number, since it is smaller than the sum of its proper divisors (966468948).

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

654564396 is a wasteful number, since it uses less digits than its factorization.

654564396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710 (or 7708 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The square root of 654564396 is about 25584.4561403990. The cubic root of 654564396 is about 868.2619973334.

The spelling of 654564396 in words is "six hundred fifty-four million, five hundred sixty-four thousand, three hundred ninety-six".