296009540 has 48 divisors (see below), whose sum is σ = 656546688. Its totient is φ = 111876864.

The previous prime is 296009533. The next prime is 296009543. The reversal of 296009540 is 45900692.

It is a self number, because there is not a number n which added to its sum of digits gives 296009540.

It is not an unprimeable number, because it can be changed into a prime (296009543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34304 + ... + 42056.

It is an arithmetic number, because the mean of its divisors is an integer number (13678056).

Almost surely, 2^296009540 is an apocalyptic number.

296009540 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 296009540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328273344).

296009540 is an abundant number, since it is smaller than the sum of its proper divisors (360537148).

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

296009540 is a wasteful number, since it uses less digits than its factorization.

296009540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868 (or 7866 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 296009540 is about 17204.9277824698. The cubic root of 296009540 is about 666.4515300263.

The spelling of 296009540 in words is "two hundred ninety-six million, nine thousand, five hundred forty".