6499858 has 8 divisors (see below), whose sum is σ = 9771120. Its totient is φ = 3242820.

The previous prime is 6499841. The next prime is 6499859. The reversal of 6499858 is 8589946.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (6499859) 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, 2328 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (1221390).

Almost surely, 2^6499858 is an apocalyptic number.

6499858 is a deficient number, since it is larger than the sum of its proper divisors (3271262).

6499858 is a wasteful number, since it uses less digits than its factorization.

6499858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112.

The product of its digits is 622080, while the sum is 49.

The square root of 6499858 is about 2549.4819081531. The cubic root of 6499858 is about 186.6241988141.

It can be divided in two parts, 64998 and 58, that added together give a palindrome (65056).

The spelling of 6499858 in words is "six million, four hundred ninety-nine thousand, eight hundred fifty-eight".