656346898 has 4 divisors (see below), whose sum is σ = 984520350. Its totient is φ = 328173448.

The previous prime is 656346893. The next prime is 656346913. The reversal of 656346898 is 898643656.

It is a happy number.

656346898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 614395369 + 41951529 = 24787^2 + 6477^2 .

It is not an unprimeable number, because it can be changed into a prime (656346893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164086723 + ... + 164086726.

Almost surely, 2^656346898 is an apocalyptic number.

656346898 is a deficient number, since it is larger than the sum of its proper divisors (328173452).

656346898 is a wasteful number, since it uses less digits than its factorization.

656346898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328173451.

The product of its digits is 7464960, while the sum is 55.

The square root of 656346898 is about 25619.2681003966. The cubic root of 656346898 is about 869.0494299141.

The spelling of 656346898 in words is "six hundred fifty-six million, three hundred forty-six thousand, eight hundred ninety-eight".