268213929 has 8 divisors (see below), whose sum is σ = 357848352. Its totient is φ = 178694400.

The previous prime is 268213921. The next prime is 268213943. The reversal of 268213929 is 929312862.

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

It is not a de Polignac number, because 268213929 - 2³ = 268213921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268213921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23119 + ... + 32724.

It is an arithmetic number, because the mean of its divisors is an integer number (44731044).

Almost surely, 2^268213929 is an apocalyptic number.

It is an amenable number.

268213929 is a deficient number, since it is larger than the sum of its proper divisors (89634423).

268213929 is a wasteful number, since it uses less digits than its factorization.

268213929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57447.

The product of its digits is 93312, while the sum is 42.

The square root of 268213929 is about 16377.2381371219. The cubic root of 268213929 is about 644.9020775567.

The spelling of 268213929 in words is "two hundred sixty-eight million, two hundred thirteen thousand, nine hundred twenty-nine".