288828949 has 2 divisors, whose sum is σ = 288828950. Its totient is φ = 288828948.

The previous prime is 288828907. The next prime is 288828971. The reversal of 288828949 is 949828882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288490225 + 338724 = 16985^2 + 582^2 .

It is a cyclic number.

It is not a de Polignac number, because 288828949 - 2⁷ = 288828821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 288828893 and 288828902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288820949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144414474 + 144414475.

It is an arithmetic number, because the mean of its divisors is an integer number (144414475).

Almost surely, 2^288828949 is an apocalyptic number.

It is an amenable number.

288828949 is a deficient number, since it is larger than the sum of its proper divisors (1).

288828949 is an equidigital number, since it uses as much as digits as its factorization.

288828949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5308416, while the sum is 58.

The square root of 288828949 is about 16994.9683436010. The cubic root of 288828949 is about 661.0184376015.

The spelling of 288828949 in words is "two hundred eighty-eight million, eight hundred twenty-eight thousand, nine hundred forty-nine".