288652393 has 4 divisors (see below), whose sum is σ = 289394820. Its totient is φ = 287909968.

The previous prime is 288652349. The next prime is 288652409. The reversal of 288652393 is 393256882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393256882 = 2 ⋅196628441.

It can be written as a sum of positive squares in 2 ways, for example, as 41628304 + 247024089 = 6452^2 + 15717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288652393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288652303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370630 + ... + 371407.

It is an arithmetic number, because the mean of its divisors is an integer number (72348705).

Almost surely, 2^288652393 is an apocalyptic number.

It is an amenable number.

288652393 is a deficient number, since it is larger than the sum of its proper divisors (742427).

288652393 is an equidigital number, since it uses as much as digits as its factorization.

288652393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742426.

The product of its digits is 622080, while the sum is 46.

The square root of 288652393 is about 16989.7731885979. The cubic root of 288652393 is about 660.8837205426.

The spelling of 288652393 in words is "two hundred eighty-eight million, six hundred fifty-two thousand, three hundred ninety-three".