6499893 has 8 divisors (see below), whose sum is σ = 8690688. Its totient is φ = 4321184.

The previous prime is 6499879. The next prime is 6499897. The reversal of 6499893 is 3989946.

It is a happy number.

6499893 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6499893 - 2⁵ = 6499861 is a prime.

It is a super-2 number, since 2×6499893² = 84497218022898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499897) 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, 1680 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (1086336).

Almost surely, 2^6499893 is an apocalyptic number.

It is an amenable number.

6499893 is a deficient number, since it is larger than the sum of its proper divisors (2190795).

6499893 is a wasteful number, since it uses less digits than its factorization.

6499893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

The product of its digits is 419904, while the sum is 48.

The square root of 6499893 is about 2549.4887722836. The cubic root of 6499893 is about 186.6245337873.

The spelling of 6499893 in words is "six million, four hundred ninety-nine thousand, eight hundred ninety-three".