916398648 has 48 divisors (see below), whose sum is σ = 2707543800. Its totient is φ = 277696320.

The previous prime is 916398631. The next prime is 916398661. The reversal of 916398648 is 846893619.

916398648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 916398594 and 916398603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577743 + ... + 579326.

Almost surely, 2^916398648 is an apocalyptic number.

It is an amenable number.

916398648 is an abundant number, since it is smaller than the sum of its proper divisors (1791145152).

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

916398648 is a wasteful number, since it uses less digits than its factorization.

916398648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157092 (or 1157085 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 916398648 is about 30272.0770347857. The cubic root of 916398648 is about 971.3180961284.

The spelling of 916398648 in words is "nine hundred sixteen million, three hundred ninety-eight thousand, six hundred forty-eight".