297638016 has 128 divisors (see below), whose sum is σ = 860798400. Its totient is φ = 90574848.

The previous prime is 297637999. The next prime is 297638069. The reversal of 297638016 is 610836792.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543855 + ... + 544401.

Almost surely, 2^297638016 is an apocalyptic number.

297638016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297638016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430399200).

297638016 is an abundant number, since it is smaller than the sum of its proper divisors (563160384).

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

297638016 is a wasteful number, since it uses less digits than its factorization.

297638016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 297638016 is about 17252.1887307089. The cubic root of 297638016 is about 667.6714413255.

The spelling of 297638016 in words is "two hundred ninety-seven million, six hundred thirty-eight thousand, sixteen".