2389798 has 4 divisors (see below), whose sum is σ = 3584700. Its totient is φ = 1194898.

The previous prime is 2389781. The next prime is 2389799. The reversal of 2389798 is 8979832.

2389798 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 super-2 number, since 2×2389798² = 11422268961608, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁸ + 3¹³ + 8⁶ + 9² + 7⁴ + 9⁴ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389799) 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 as a sum of consecutive naturals, namely, 597448 + ... + 597451.

It is an arithmetic number, because the mean of its divisors is an integer number (896175).

2^2389798 is an apocalyptic number.

2389798 is a deficient number, since it is larger than the sum of its proper divisors (1194902).

2389798 is a wasteful number, since it uses less digits than its factorization.

2389798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194901.

The product of its digits is 217728, while the sum is 46.

The square root of 2389798 is about 1545.8971505246. The cubic root of 2389798 is about 133.6966107116.

The spelling of 2389798 in words is "two million, three hundred eighty-nine thousand, seven hundred ninety-eight".