617402648 has 16 divisors (see below), whose sum is σ = 1160914680. Its totient is φ = 307825408.

The previous prime is 617402647. The next prime is 617402659. The reversal of 617402648 is 846204716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617402647) 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, 106490 + ... + 112137.

Almost surely, 2^617402648 is an apocalyptic number.

It is an amenable number.

617402648 is a deficient number, since it is larger than the sum of its proper divisors (543512032).

617402648 is a wasteful number, since it uses less digits than its factorization.

617402648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218986 (or 218982 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 617402648 is about 24847.5883739247. The cubic root of 617402648 is about 851.5094967384.

The spelling of 617402648 in words is "six hundred seventeen million, four hundred two thousand, six hundred forty-eight".