288992361 has 8 divisors (see below), whose sum is σ = 440369344. Its totient is φ = 165138480.

The previous prime is 288992329. The next prime is 288992369. The reversal of 288992361 is 163299882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 288992361 - 2⁵ = 288992329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288992361.

It is not an unprimeable number, because it can be changed into a prime (288992369) 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, 6880750 + ... + 6880791.

It is an arithmetic number, because the mean of its divisors is an integer number (55046168).

Almost surely, 2^288992361 is an apocalyptic number.

288992361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

288992361 is a deficient number, since it is larger than the sum of its proper divisors (151376983).

288992361 is a wasteful number, since it uses less digits than its factorization.

288992361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761551.

The product of its digits is 373248, while the sum is 48.

The square root of 288992361 is about 16999.7753220447. The cubic root of 288992361 is about 661.1430765160.

The spelling of 288992361 in words is "two hundred eighty-eight million, nine hundred ninety-two thousand, three hundred sixty-one".