649326424 has 16 divisors (see below), whose sum is σ = 1289104200. Its totient is φ = 305565312.

The previous prime is 649326421. The next prime is 649326449. The reversal of 649326424 is 424623946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649326421) 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, 2387094 + ... + 2387365.

Almost surely, 2^649326424 is an apocalyptic number.

It is an amenable number.

649326424 is a deficient number, since it is larger than the sum of its proper divisors (639777776).

649326424 is a wasteful number, since it uses less digits than its factorization.

649326424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774482 (or 4774478 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 649326424 is about 25481.8842317439. The cubic root of 649326424 is about 865.9397825026.

The spelling of 649326424 in words is "six hundred forty-nine million, three hundred twenty-six thousand, four hundred twenty-four".