655007412 has 24 divisors (see below), whose sum is σ = 1539510336. Its totient is φ = 216741568.

The previous prime is 655007359. The next prime is 655007417. The reversal of 655007412 is 214700556.

655007412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 655007412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655007417) 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, 197568 + ... + 200855.

It is an arithmetic number, because the mean of its divisors is an integer number (64146264).

Almost surely, 2^655007412 is an apocalyptic number.

It is an amenable number.

655007412 is an abundant number, since it is smaller than the sum of its proper divisors (884502924).

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

655007412 is a wasteful number, since it uses less digits than its factorization.

655007412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398567 (or 398565 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 655007412 is about 25593.1125891323. The cubic root of 655007412 is about 868.4578360788.

Adding to 655007412 its reverse (214700556), we get a palindrome (869707968).

The spelling of 655007412 in words is "six hundred fifty-five million, seven thousand, four hundred twelve".