7849491 has 16 divisors (see below), whose sum is σ = 11548320. Its totient is φ = 4711680.

The previous prime is 7849483. The next prime is 7849493. The reversal of 7849491 is 1949487.

It is not a de Polignac number, because 7849491 - 2³ = 7849483 is a prime.

It is a super-3 number, since 3×7849491³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

7849491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7849493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (721770).

Almost surely, 2^7849491 is an apocalyptic number.

7849491 is a deficient number, since it is larger than the sum of its proper divisors (3698829).

7849491 is a wasteful number, since it uses less digits than its factorization.

7849491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its digits is 72576, while the sum is 42.

The square root of 7849491 is about 2801.6943088067. The cubic root of 7849491 is about 198.7378094655.

The spelling of 7849491 in words is "seven million, eight hundred forty-nine thousand, four hundred ninety-one".