8653491 has 24 divisors (see below), whose sum is σ = 15585024. Its totient is φ = 4494960.

The previous prime is 8653487. The next prime is 8653517. The reversal of 8653491 is 1943568.

8653491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8653491 - 2² = 8653487 is a prime.

8653491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8653591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5551 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (649376).

Almost surely, 2^8653491 is an apocalyptic number.

8653491 is a deficient number, since it is larger than the sum of its proper divisors (6931533).

8653491 is a wasteful number, since it uses less digits than its factorization.

8653491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511 (or 12508 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 8653491 is about 2941.6816619070. The cubic root of 8653491 is about 205.3038603080.

It can be divided in two parts, 865 and 3491, that added together give a square (4356 = 66²).

The spelling of 8653491 in words is "eight million, six hundred fifty-three thousand, four hundred ninety-one".