2389647 has 16 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 1448160.

The previous prime is 2389643. The next prime is 2389657. The reversal of 2389647 is 7469832.

It is not a de Polignac number, because 2389647 - 2² = 2389643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389643) 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, 2338 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (217728).

2^2389647 is an apocalyptic number.

2389647 is a deficient number, since it is larger than the sum of its proper divisors (1094001).

2389647 is a wasteful number, since it uses less digits than its factorization.

2389647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its digits is 72576, while the sum is 39.

The square root of 2389647 is about 1545.8483107990. The cubic root of 2389647 is about 133.6937947674.

The spelling of 2389647 in words is "two million, three hundred eighty-nine thousand, six hundred forty-seven".