6439098 has 8 divisors (see below), whose sum is σ = 12878208. Its totient is φ = 2146364.

The previous prime is 6439067. The next prime is 6439123. The reversal of 6439098 is 8909346.

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

6439098 is an admirable number.

It is a super-3 number, since 3×6439098³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536586 + ... + 536597.

It is an arithmetic number, because the mean of its divisors is an integer number (1609776).

Almost surely, 2^6439098 is an apocalyptic number.

6439098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6439098 is a wasteful number, since it uses less digits than its factorization.

6439098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073188.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6439098 is about 2537.5377829699. The cubic root of 6439098 is about 186.0408627992.

The spelling of 6439098 in words is "six million, four hundred thirty-nine thousand, ninety-eight".