6481356 has 96 divisors (see below), whose sum is σ = 18923520. Its totient is φ = 1684800.

The previous prime is 6481339. The next prime is 6481367. The reversal of 6481356 is 6531846.

6481356 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

6481356 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49411 + ... + 49541.

It is an arithmetic number, because the mean of its divisors is an integer number (197120).

Almost surely, 2^6481356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6481356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9461760).

6481356 is an abundant number, since it is smaller than the sum of its proper divisors (12442164).

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

6481356 is a wasteful number, since it uses less digits than its factorization.

6481356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 193 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 6481356 is about 2545.8507418936. The cubic root of 6481356 is about 186.4469537937.

The spelling of 6481356 in words is "six million, four hundred eighty-one thousand, three hundred fifty-six".