268394915 has 8 divisors (see below), whose sum is σ = 328151088. Its totient is φ = 210664480.

The previous prime is 268394887. The next prime is 268394933. The reversal of 268394915 is 519493862.

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

It is not a de Polignac number, because 268394915 - 2⁶ = 268394851 is a prime.

It is a super-4 number, since 4×268394915⁴ (a number of 35 digits) contains 4444 as substring.

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 268394915.

It is an unprimeable number.

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, 506141 + ... + 506670.

It is an arithmetic number, because the mean of its divisors is an integer number (41018886).

Almost surely, 2^268394915 is an apocalyptic number.

268394915 is a deficient number, since it is larger than the sum of its proper divisors (59756173).

268394915 is a wasteful number, since it uses less digits than its factorization.

268394915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012869.

The product of its digits is 466560, while the sum is 47.

The square root of 268394915 is about 16382.7627401486. The cubic root of 268394915 is about 645.0471011014.

The spelling of 268394915 in words is "two hundred sixty-eight million, three hundred ninety-four thousand, nine hundred fifteen".