617467648 has 54 divisors (see below), whose sum is σ = 1411001816. Its totient is φ = 264178176.

The previous prime is 617467633. The next prime is 617467663. The reversal of 617467648 is 846764716.

It is an interprime number because it is at equal distance from previous prime (617467633) and next prime (617467663).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1051611 + ... + 1052197.

Almost surely, 2^617467648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 617467648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705500908).

617467648 is an abundant number, since it is smaller than the sum of its proper divisors (793534168).

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

617467648 is an frugal number, since it uses more digits than its factorization.

617467648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 596 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 617467648 is about 24848.8963135186. The cubic root of 617467648 is about 851.5393779271.

The spelling of 617467648 in words is "six hundred seventeen million, four hundred sixty-seven thousand, six hundred forty-eight".