8649470 has 8 divisors (see below), whose sum is σ = 15569064. Its totient is φ = 3459784.

The previous prime is 8649469. The next prime is 8649479. The reversal of 8649470 is 749468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649479) 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, 432464 + ... + 432483.

It is an arithmetic number, because the mean of its divisors is an integer number (1946133).

Almost surely, 2^8649470 is an apocalyptic number.

8649470 is a deficient number, since it is larger than the sum of its proper divisors (6919594).

8649470 is a wasteful number, since it uses less digits than its factorization.

8649470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864954.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8649470 is about 2940.9981298872. The cubic root of 8649470 is about 205.2720560061.

It can be divided in two parts, 8649 and 470, that added together give a palindrome (9119).

The spelling of 8649470 in words is "eight million, six hundred forty-nine thousand, four hundred seventy".