2387969 has 2 divisors, whose sum is σ = 2387970. Its totient is φ = 2387968.

The previous prime is 2387953. The next prime is 2387971. The reversal of 2387969 is 9697832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2362369 + 25600 = 1537^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2387969 - 2⁴ = 2387953 is a prime.

It is a super-2 number, since 2×2387969² = 11404791889922, which contains 22 as substring.

Together with 2387971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2387909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193984 + 1193985.

It is an arithmetic number, because the mean of its divisors is an integer number (1193985).

It is a Proth number, since it is equal to 583 ⋅ 2¹² + 1 and 583 < 2¹².

2^2387969 is an apocalyptic number.

It is an amenable number.

2387969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387969 is an equidigital number, since it uses as much as digits as its factorization.

2387969 is an evil number, because the sum of its binary digits is even.

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

The square root of 2387969 is about 1545.3054714198. The cubic root of 2387969 is about 133.6624943678.

The spelling of 2387969 in words is "two million, three hundred eighty-seven thousand, nine hundred sixty-nine".