288948897 has 8 divisors (see below), whose sum is σ = 428072480. Its totient is φ = 192632580.

The previous prime is 288948889. The next prime is 288948917. The reversal of 288948897 is 798849882.

It is a happy number.

It is not a de Polignac number, because 288948897 - 2³ = 288948889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288948857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5350879 + ... + 5350932.

It is an arithmetic number, because the mean of its divisors is an integer number (53509060).

Almost surely, 2^288948897 is an apocalyptic number.

288948897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

288948897 is a deficient number, since it is larger than the sum of its proper divisors (139123583).

288948897 is a wasteful number, since it uses less digits than its factorization.

288948897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701820 (or 10701814 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 63.

The square root of 288948897 is about 16998.4969041383. The cubic root of 288948897 is about 661.1099298919.

The spelling of 288948897 in words is "two hundred eighty-eight million, nine hundred forty-eight thousand, eight hundred ninety-seven".