6281964 has 72 divisors (see below), whose sum is σ = 17693312. Its totient is φ = 1866240.

The previous prime is 6281953. The next prime is 6281969. The reversal of 6281964 is 4691826.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6281969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14292 + ... + 14724.

Almost surely, 2^6281964 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 6281964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8846656).

6281964 is an abundant number, since it is smaller than the sum of its proper divisors (11411348).

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

6281964 is a wasteful number, since it uses less digits than its factorization.

6281964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 482 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6281964 is about 2506.3846472559. The cubic root of 6281964 is about 184.5150581492.

The spelling of 6281964 in words is "six million, two hundred eighty-one thousand, nine hundred sixty-four".