6463788 has 12 divisors (see below), whose sum is σ = 15082200. Its totient is φ = 2154592.

The previous prime is 6463777. The next prime is 6463811. The reversal of 6463788 is 8873646.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 6⁵ + 4¹¹ + 6⁶ + 3⁵ + 7⁶ + 8 + 8⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269313 + ... + 269336.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 2^6463788 is an apocalyptic number.

It is an amenable number.

6463788 is an abundant number, since it is smaller than the sum of its proper divisors (8618412).

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

6463788 is a wasteful number, since it uses less digits than its factorization.

6463788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538656 (or 538654 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 6463788 is about 2542.3980805531. The cubic root of 6463788 is about 186.2783438088.

The spelling of 6463788 in words is "six million, four hundred sixty-three thousand, seven hundred eighty-eight".