297944406 has 40 divisors (see below), whose sum is σ = 671538384. Its totient is φ = 98731440.

The previous prime is 297944401. The next prime is 297944411. The reversal of 297944406 is 604449792.

It is an interprime number because it is at equal distance from previous prime (297944401) and next prime (297944411).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297944401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22711 + ... + 33341.

Almost surely, 2^297944406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297944406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335769192).

297944406 is an abundant number, since it is smaller than the sum of its proper divisors (373593978).

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

297944406 is a wasteful number, since it uses less digits than its factorization.

297944406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818 (or 10809 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 297944406 is about 17261.0661895492. The cubic root of 297944406 is about 667.9004641515.

The spelling of 297944406 in words is "two hundred ninety-seven million, nine hundred forty-four thousand, four hundred six".