933868849 has 4 divisors (see below), whose sum is σ = 956646180. Its totient is φ = 911091520.

The previous prime is 933868841. The next prime is 933868877. The reversal of 933868849 is 948868339.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948868339 = 1297 ⋅731587.

It can be written as a sum of positive squares in 2 ways, for example, as 350887824 + 582981025 = 18732^2 + 24145^2 .

It is a cyclic number.

It is not a de Polignac number, because 933868849 - 2³ = 933868841 is a prime.

It is a super-2 number, since 2×933868849² = 1744222054265169602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 933868793 and 933868802.

It is not an unprimeable number, because it can be changed into a prime (933868841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11388604 + ... + 11388685.

It is an arithmetic number, because the mean of its divisors is an integer number (239161545).

Almost surely, 2^933868849 is an apocalyptic number.

It is an amenable number.

933868849 is a deficient number, since it is larger than the sum of its proper divisors (22777331).

933868849 is a wasteful number, since it uses less digits than its factorization.

933868849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777330.

The product of its digits is 8957952, while the sum is 58.

The square root of 933868849 is about 30559.2678086370. The cubic root of 933868849 is about 977.4516775453.

It can be divided in two parts, 9338 and 68849, that added together give a palindrome (78187).

The spelling of 933868849 in words is "nine hundred thirty-three million, eight hundred sixty-eight thousand, eight hundred forty-nine".