653676434 has 8 divisors (see below), whose sum is σ = 980627340. Its totient is φ = 326800656.

The previous prime is 653676403. The next prime is 653676461. The reversal of 653676434 is 434676356.

It can be written as a sum of positive squares in 2 ways, for example, as 488631025 + 165045409 = 22105^2 + 12847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15452 + ... + 39320.

Almost surely, 2^653676434 is an apocalyptic number.

653676434 is a deficient number, since it is larger than the sum of its proper divisors (326950906).

653676434 is a wasteful number, since it uses less digits than its factorization.

653676434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37564.

The product of its digits is 1088640, while the sum is 44.

The square root of 653676434 is about 25567.0967065093. The cubic root of 653676434 is about 867.8692004554.

The spelling of 653676434 in words is "six hundred fifty-three million, six hundred seventy-six thousand, four hundred thirty-four".