6461630 has 24 divisors (see below), whose sum is σ = 13530888. Its totient is φ = 2215248.

The previous prime is 6461627. The next prime is 6461657. The reversal of 6461630 is 361646.

6461630 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

6461630 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 6461630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6104 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (563787).

Almost surely, 2^6461630 is an apocalyptic number.

6461630 is an abundant number, since it is smaller than the sum of its proper divisors (7069258).

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

6461630 is a wasteful number, since it uses less digits than its factorization.

6461630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208 (or 13201 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6461630 is about 2541.9736426643. The cubic root of 6461630 is about 186.2576112080.

It can be divided in two parts, 64616 and 30, that added together give a palindrome (64646).

The spelling of 6461630 in words is "six million, four hundred sixty-one thousand, six hundred thirty".