6449100 has 144 divisors (see below), whose sum is σ = 22165248. Its totient is φ = 1416960.

The previous prime is 6449099. The next prime is 6449117. The reversal of 6449100 is 19446.

6449100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77659 + ... + 77741.

Almost surely, 2^6449100 is an apocalyptic number.

6449100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6449100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11082624).

6449100 is an abundant number, since it is smaller than the sum of its proper divisors (15716148).

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

6449100 is a wasteful number, since it uses less digits than its factorization.

6449100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6449100 is about 2539.5078263317. The cubic root of 6449100 is about 186.1371401595.

The spelling of 6449100 in words is "six million, four hundred forty-nine thousand, one hundred".