2388893481 has 24 divisors (see below), whose sum is σ = 3720015936. Its totient is φ = 1468522080.

The previous prime is 2388893443. The next prime is 2388893491. The reversal of 2388893481 is 1843988832.

It is a happy number.

2388893481 is a `hidden beast` number, since 2 + 3 + 88 + 89 + 3 + 481 = 666.

It is not a de Polignac number, because 2388893481 - 2¹⁴ = 2388877097 is a prime.

It is a super-2 number, since 2×2388893481² = 11413624127128594722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2388893401) 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 23 ways as a sum of consecutive naturals, for example, 104626 + ... + 125396.

It is an arithmetic number, because the mean of its divisors is an integer number (155000664).

Almost surely, 2^2388893481 is an apocalyptic number.

It is an amenable number.

2388893481 is a deficient number, since it is larger than the sum of its proper divisors (1331122455).

2388893481 is a wasteful number, since it uses less digits than its factorization.

2388893481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21773 (or 21770 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 2388893481 is about 48876.3079722681. The cubic root of 2388893481 is about 1336.7974089176.

The spelling of 2388893481 in words is "two billion, three hundred eighty-eight million, eight hundred ninety-three thousand, four hundred eighty-one".