268220929 has 8 divisors (see below), whose sum is σ = 284401440. Its totient is φ = 252246816.

The previous prime is 268220923. The next prime is 268220957. The reversal of 268220929 is 929022862.

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

It is a cyclic number.

It is not a de Polignac number, because 268220929 - 2⁷ = 268220801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268220891 and 268220900.

It is not an unprimeable number, because it can be changed into a prime (268220923) 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, 48919 + ... + 54124.

It is an arithmetic number, because the mean of its divisors is an integer number (35550180).

Almost surely, 2^268220929 is an apocalyptic number.

It is an amenable number.

268220929 is a deficient number, since it is larger than the sum of its proper divisors (16180511).

268220929 is a wasteful number, since it uses less digits than its factorization.

268220929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103199.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 268220929 is about 16377.4518469755. The cubic root of 268220929 is about 644.9076878486.

The spelling of 268220929 in words is "two hundred sixty-eight million, two hundred twenty thousand, nine hundred twenty-nine".