6358649 has 16 divisors (see below), whose sum is σ = 7426944. Its totient is φ = 5385600.

The previous prime is 6358621. The next prime is 6358661. The reversal of 6358649 is 9468536.

It is not a de Polignac number, because 6358649 - 2¹⁶ = 6293113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a d-powerful number, because it can be written as 6³ + 3³ + 5³ + 8⁷ + 6⁵ + 4¹¹ + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6358619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10067 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (464184).

Almost surely, 2^6358649 is an apocalyptic number.

It is an amenable number.

6358649 is a deficient number, since it is larger than the sum of its proper divisors (1068295).

6358649 is a wasteful number, since it uses less digits than its factorization.

6358649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 155520, while the sum is 41.

The square root of 6358649 is about 2521.6361751847. The cubic root of 6358649 is about 185.2628258473.

It can be divided in two parts, 6358 and 649, that added together give a palindrome (7007).

The spelling of 6358649 in words is "six million, three hundred fifty-eight thousand, six hundred forty-nine".