2394438489 has 15 divisors (see below), whose sum is σ = 3577535247. Its totient is φ = 1595998728.

The previous prime is 2394438451. The next prime is 2394438503. The reversal of 2394438489 is 9848344932.

The square root of 2394438489 is 48933.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1351665225 + 1042773264 = 36765^2 + 32292^2 .

It is not a de Polignac number, because 2394438489 - 2²⁷ = 2260220761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2394438589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 437679 + ... + 443115.

Almost surely, 2^2394438489 is an apocalyptic number.

2394438489 is the 48933-rd square number.

2394438489 is the 24467-th centered octagonal number.

It is an amenable number.

2394438489 is a deficient number, since it is larger than the sum of its proper divisors (1183096758).

2394438489 is an frugal number, since it uses more digits than its factorization.

2394438489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886 (or 5440 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The cubic root of 2394438489 is about 1337.8309173217.

The spelling of 2394438489 in words is "two billion, three hundred ninety-four million, four hundred thirty-eight thousand, four hundred eighty-nine".