6464632 has 16 divisors (see below), whose sum is σ = 12200760. Its totient is φ = 3211104.

The previous prime is 6464611. The next prime is 6464639. The reversal of 6464632 is 2364646.

It is a junction number, because it is equal to n+sod(n) for n = 6464594 and 6464603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318 + ... + 3829.

Almost surely, 2^6464632 is an apocalyptic number.

It is an amenable number.

6464632 is a deficient number, since it is larger than the sum of its proper divisors (5736128).

6464632 is a wasteful number, since it uses less digits than its factorization.

6464632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310 (or 5306 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 6464632 is about 2542.5640601566. The cubic root of 6464632 is about 186.2864511333.

The spelling of 6464632 in words is "six million, four hundred sixty-four thousand, six hundred thirty-two".