6409100 has 18 divisors (see below), whose sum is σ = 13907964. Its totient is φ = 2563600.

The previous prime is 6409097. The next prime is 6409127. The reversal of 6409100 is 19046.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 31946 + ... + 32145.

Almost surely, 2^6409100 is an apocalyptic number.

It is an amenable number.

6409100 is an abundant number, since it is smaller than the sum of its proper divisors (7498864).

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

6409100 is a wasteful number, since it uses less digits than its factorization.

6409100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64105 (or 64098 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6409100 is about 2531.6200346814. The cubic root of 6409100 is about 185.7515084589.

The spelling of 6409100 in words is "six million, four hundred nine thousand, one hundred".