802849491 has 12 divisors (see below), whose sum is σ = 1166788168. Its totient is φ = 531948384.

The previous prime is 802849483. The next prime is 802849493. The reversal of 802849491 is 194948208.

802849491 is a `hidden beast` number, since 80 + 2 + 84 + 9 + 491 = 666.

It is not a de Polignac number, because 802849491 - 2³ = 802849483 is a prime.

It is a super-3 number, since 3×802849491³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802849493) 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 11 ways as a sum of consecutive naturals, for example, 272170 + ... + 275103.

Almost surely, 2^802849491 is an apocalyptic number.

802849491 is a deficient number, since it is larger than the sum of its proper divisors (363938677).

802849491 is a wasteful number, since it uses less digits than its factorization.

802849491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547442 (or 547439 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 802849491 is about 28334.5988325228. The cubic root of 802849491 is about 929.4186411676.

The spelling of 802849491 in words is "eight hundred two million, eight hundred forty-nine thousand, four hundred ninety-one".