268620407 has 8 divisors (see below), whose sum is σ = 300960912. Its totient is φ = 237600000.

The previous prime is 268620403. The next prime is 268620409. The reversal of 268620407 is 704026862.

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

It is not a de Polignac number, because 268620407 - 2² = 268620403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268620403) 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, 329594 + ... + 330407.

It is an arithmetic number, because the mean of its divisors is an integer number (37620114).

Almost surely, 2^268620407 is an apocalyptic number.

268620407 is a deficient number, since it is larger than the sum of its proper divisors (32340505).

268620407 is a wasteful number, since it uses less digits than its factorization.

268620407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660049.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 268620407 is about 16389.6432847088. The cubic root of 268620407 is about 645.2276959856.

The spelling of 268620407 in words is "two hundred sixty-eight million, six hundred twenty thousand, four hundred seven".