655643298 has 32 divisors (see below), whose sum is σ = 1384151040. Its totient is φ = 206467920.

The previous prime is 655643269. The next prime is 655643299. The reversal of 655643298 is 892346556.

It is not an unprimeable number, because it can be changed into a prime (655643299) 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, 34003 + ... + 49673.

It is an arithmetic number, because the mean of its divisors is an integer number (43254720).

Almost surely, 2^655643298 is an apocalyptic number.

655643298 is an abundant number, since it is smaller than the sum of its proper divisors (728507742).

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

655643298 is a wasteful number, since it uses less digits than its factorization.

655643298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062.

The product of its digits is 1555200, while the sum is 48.

The square root of 655643298 is about 25605.5325662248. The cubic root of 655643298 is about 868.7387802633.

The spelling of 655643298 in words is "six hundred fifty-five million, six hundred forty-three thousand, two hundred ninety-eight".