297299420 has 72 divisors (see below), whose sum is σ = 702450672. Its totient is φ = 105557760.

The previous prime is 297299413. The next prime is 297299437. The reversal of 297299420 is 24992792.

It is a happy number.

297299420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102632 + ... + 105488.

Almost surely, 2^297299420 is an apocalyptic number.

297299420 is a gapful number since it is divisible by the number (20) 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 297299420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351225336).

297299420 is an abundant number, since it is smaller than the sum of its proper divisors (405151252).

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

297299420 is a wasteful number, since it uses less digits than its factorization.

297299420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 297299420 is about 17242.3728065484. The cubic root of 297299420 is about 667.4181620083.

The spelling of 297299420 in words is "two hundred ninety-seven million, two hundred ninety-nine thousand, four hundred twenty".