2388247 has 2 divisors, whose sum is σ = 2388248. Its totient is φ = 2388246.

The previous prime is 2388229. The next prime is 2388257. The reversal of 2388247 is 7428832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2388247 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2388257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194123 + 1194124.

It is an arithmetic number, because the mean of its divisors is an integer number (1194124).

2^2388247 is an apocalyptic number.

2388247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388247 is an equidigital number, since it uses as much as digits as its factorization.

2388247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 2388247 is about 1545.3954186550. The cubic root of 2388247 is about 133.6676810252.

The spelling of 2388247 in words is "two million, three hundred eighty-eight thousand, two hundred forty-seven".