2389768 has 16 divisors (see below), whose sum is σ = 4585680. Its totient is φ = 1166928.

The previous prime is 2389757. The next prime is 2389781. The reversal of 2389768 is 8679832.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130 + ... + 3817.

It is an arithmetic number, because the mean of its divisors is an integer number (286605).

2^2389768 is an apocalyptic number.

It is an amenable number.

2389768 is a deficient number, since it is larger than the sum of its proper divisors (2195912).

2389768 is a wasteful number, since it uses less digits than its factorization.

2389768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996 (or 6992 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 2389768 is about 1545.8874473907. The cubic root of 2389768 is about 133.6960512619.

Subtracting 2389768 from its reverse (8679832), we obtain a square (6290064 = 2508²).

The spelling of 2389768 in words is "two million, three hundred eighty-nine thousand, seven hundred sixty-eight".