6464862 has 48 divisors (see below), whose sum is σ = 15258672. Its totient is φ = 1969920.

The previous prime is 6464851. The next prime is 6464873. The reversal of 6464862 is 2684646.

It is a happy number.

6464862 is a `hidden beast` number, since 6 + 4 + 648 + 6 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6464851) and next prime (6464873).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11037 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (317889).

Almost surely, 2^6464862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6464862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7629336).

6464862 is an abundant number, since it is smaller than the sum of its proper divisors (8793810).

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

6464862 is a wasteful number, since it uses less digits than its factorization.

6464862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 6464862 is about 2542.6092896865. The cubic root of 6464862 is about 186.2886603529.

The spelling of 6464862 in words is "six million, four hundred sixty-four thousand, eight hundred sixty-two".