288890061 has 8 divisors (see below), whose sum is σ = 407844864. Its totient is φ = 181264320.

The previous prime is 288890057. The next prime is 288890071. The reversal of 288890061 is 160098882.

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

It is not a de Polignac number, because 288890061 - 2² = 288890057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 288889995 and 288890022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288890011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2832205 + ... + 2832306.

It is an arithmetic number, because the mean of its divisors is an integer number (50980608).

Almost surely, 2^288890061 is an apocalyptic number.

It is an amenable number.

288890061 is a deficient number, since it is larger than the sum of its proper divisors (118954803).

288890061 is a wasteful number, since it uses less digits than its factorization.

288890061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664531.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 288890061 is about 16996.7661924261. The cubic root of 288890061 is about 661.0650549393.

The spelling of 288890061 in words is "two hundred eighty-eight million, eight hundred ninety thousand, sixty-one".