2389651 has 4 divisors (see below), whose sum is σ = 2606904. Its totient is φ = 2172400.

The previous prime is 2389643. The next prime is 2389657. The reversal of 2389651 is 1569832.

2389651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2389651 - 2³ = 2389643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108610 + ... + 108631.

It is an arithmetic number, because the mean of its divisors is an integer number (651726).

2^2389651 is an apocalyptic number.

2389651 is a deficient number, since it is larger than the sum of its proper divisors (217253).

2389651 is a wasteful number, since it uses less digits than its factorization.

2389651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217252.

The product of its digits is 12960, while the sum is 34.

The square root of 2389651 is about 1545.8496045864. The cubic root of 2389651 is about 133.6938693635.

It can be divided in two parts, 238 and 9651, that added together give a palindrome (9889).

The spelling of 2389651 in words is "two million, three hundred eighty-nine thousand, six hundred fifty-one".