288947395 has 24 divisors (see below), whose sum is σ = 382350528. Its totient is φ = 209468160.

The previous prime is 288947381. The next prime is 288947411. The reversal of 288947395 is 593749882.

It is not a de Polignac number, because 288947395 - 2⁵ = 288947363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261414 + ... + 262516.

It is an arithmetic number, because the mean of its divisors is an integer number (15931272).

Almost surely, 2^288947395 is an apocalyptic number.

288947395 is a deficient number, since it is larger than the sum of its proper divisors (93403133).

288947395 is a wasteful number, since it uses less digits than its factorization.

288947395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1552 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 288947395 is about 16998.4527237040. The cubic root of 288947395 is about 661.1087843735.

The spelling of 288947395 in words is "two hundred eighty-eight million, nine hundred forty-seven thousand, three hundred ninety-five".