655289092 has 12 divisors (see below), whose sum is σ = 1177749580. Its totient is φ = 318789216.

The previous prime is 655289077. The next prime is 655289093. The reversal of 655289092 is 290982556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 374190336 + 281098756 = 19344^2 + 16766^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (655289093) 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, 2213667 + ... + 2213962.

Almost surely, 2^655289092 is an apocalyptic number.

It is an amenable number.

655289092 is a deficient number, since it is larger than the sum of its proper divisors (522460488).

655289092 is a wasteful number, since it uses less digits than its factorization.

655289092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427670 (or 4427668 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 655289092 is about 25598.6150406619. The cubic root of 655289092 is about 868.5823090443.

The spelling of 655289092 in words is "six hundred fifty-five million, two hundred eighty-nine thousand, ninety-two".