8649492 has 12 divisors (see below), whose sum is σ = 20182176. Its totient is φ = 2883160.

The previous prime is 8649491. The next prime is 8649517. The reversal of 8649492 is 2949468.

8649492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360384 + ... + 360407.

It is an arithmetic number, because the mean of its divisors is an integer number (1681848).

Almost surely, 2^8649492 is an apocalyptic number.

It is an amenable number.

8649492 is an abundant number, since it is smaller than the sum of its proper divisors (11532684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8649492 is a wasteful number, since it uses less digits than its factorization.

8649492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720798 (or 720796 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 8649492 is about 2941.0018701116. The cubic root of 8649492 is about 205.2722300430.

The spelling of 8649492 in words is "eight million, six hundred forty-nine thousand, four hundred ninety-two".