6463120 has 20 divisors (see below), whose sum is σ = 15026940. Its totient is φ = 2585216.

The previous prime is 6463109. The next prime is 6463129. The reversal of 6463120 is 213646.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 5089536 = 1172^2 + 2256^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a d-powerful number, because it can be written as 6 + 4² + 6⁸ + 3¹⁴ + 1 + 2⁹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6463091 and 6463100.

It is not an unprimeable number, because it can be changed into a prime (6463129) 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, 40315 + ... + 40474.

It is an arithmetic number, because the mean of its divisors is an integer number (751347).

Almost surely, 2^6463120 is an apocalyptic number.

It is an amenable number.

6463120 is an abundant number, since it is smaller than the sum of its proper divisors (8563820).

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

6463120 is a wasteful number, since it uses less digits than its factorization.

6463120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80802 (or 80796 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 6463120 is about 2542.2667051275. The cubic root of 6463120 is about 186.2719266109.

Adding to 6463120 its reverse (213646), we get a palindrome (6676766).

The spelling of 6463120 in words is "six million, four hundred sixty-three thousand, one hundred twenty".