6499632 has 20 divisors (see below), whose sum is σ = 16790840. Its totient is φ = 2166528.

The previous prime is 6499631. The next prime is 6499637. The reversal of 6499632 is 2369946.

It is a happy number.

6499632 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6499632² = 84490432270848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6499631) 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, 67657 + ... + 67752.

It is an arithmetic number, because the mean of its divisors is an integer number (839542).

Almost surely, 2^6499632 is an apocalyptic number.

It is an amenable number.

6499632 is an abundant number, since it is smaller than the sum of its proper divisors (10291208).

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

6499632 is a wasteful number, since it uses less digits than its factorization.

6499632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135420 (or 135414 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 6499632 is about 2549.4375850371. The cubic root of 6499632 is about 186.6220358151.

The spelling of 6499632 in words is "six million, four hundred ninety-nine thousand, six hundred thirty-two".