6499371 has 4 divisors (see below), whose sum is σ = 8665832. Its totient is φ = 4332912.

The previous prime is 6499369. The next prime is 6499373. The reversal of 6499371 is 1739946.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6499369) and next prime (6499373).

It is not a de Polignac number, because 6499371 - 2¹ = 6499369 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6499373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083226 + ... + 1083231.

It is an arithmetic number, because the mean of its divisors is an integer number (2166458).

Almost surely, 2^6499371 is an apocalyptic number.

6499371 is a deficient number, since it is larger than the sum of its proper divisors (2166461).

6499371 is a wasteful number, since it uses less digits than its factorization.

6499371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166460.

The product of its digits is 40824, while the sum is 39.

The square root of 6499371 is about 2549.3863967630. The cubic root of 6499371 is about 186.6195377761.

The spelling of 6499371 in words is "six million, four hundred ninety-nine thousand, three hundred seventy-one".