6459992 has 32 divisors (see below), whose sum is σ = 15102720. Its totient is φ = 2516640.

The previous prime is 6459991. The next prime is 6460031. The reversal of 6459992 is 2999546.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4628 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (471960).

Almost surely, 2^6459992 is an apocalyptic number.

It is an amenable number.

6459992 is an abundant number, since it is smaller than the sum of its proper divisors (8642728).

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

6459992 is a wasteful number, since it uses less digits than its factorization.

6459992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511 (or 10507 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 6459992 is about 2541.6514316483. The cubic root of 6459992 is about 186.2418713327.

The spelling of 6459992 in words is "six million, four hundred fifty-nine thousand, nine hundred ninety-two".