262728213 has 8 divisors (see below), whose sum is σ = 382150176. Its totient is φ = 159229200.

The previous prime is 262728199. The next prime is 262728223. The reversal of 262728213 is 312827262.

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

It is not a de Polignac number, because 262728213 - 2⁸ = 262727957 is a prime.

It is a super-2 number, since 2×262728213² = 138052227812346738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 7961461 = 262728213 / (2 + 6 + 2 + 7 + 2 + 8 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262728223) 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, 3980698 + ... + 3980763.

It is an arithmetic number, because the mean of its divisors is an integer number (47768772).

Almost surely, 2^262728213 is an apocalyptic number.

It is an amenable number.

262728213 is a deficient number, since it is larger than the sum of its proper divisors (119421963).

262728213 is a wasteful number, since it uses less digits than its factorization.

262728213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961475.

The product of its digits is 16128, while the sum is 33.

The square root of 262728213 is about 16208.8930220419. The cubic root of 262728213 is about 640.4750810099.

The spelling of 262728213 in words is "two hundred sixty-two million, seven hundred twenty-eight thousand, two hundred thirteen".