2389988 has 6 divisors (see below), whose sum is σ = 4182486. Its totient is φ = 1194992.

The previous prime is 2389973. The next prime is 2389993. The reversal of 2389988 is 8899832.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1737124 + 652864 = 1318^2 + 808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298745 + ... + 298752.

It is an arithmetic number, because the mean of its divisors is an integer number (697081).

2^2389988 is an apocalyptic number.

It is an amenable number.

2389988 is a deficient number, since it is larger than the sum of its proper divisors (1792498).

2389988 is a wasteful number, since it uses less digits than its factorization.

2389988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597501 (or 597499 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 2389988 is about 1545.9586022918. The cubic root of 2389988 is about 133.7001537841.

The spelling of 2389988 in words is "two million, three hundred eighty-nine thousand, nine hundred eighty-eight".