6369408 has 128 divisors (see below), whose sum is σ = 19992000. Its totient is φ = 1990656.

The previous prime is 6369403. The next prime is 6369409. The reversal of 6369408 is 8049636.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6369401) 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, 65616 + ... + 65712.

Almost surely, 2^6369408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6369408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9996000).

6369408 is an abundant number, since it is smaller than the sum of its proper divisors (13622592).

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

6369408 is a wasteful number, since it uses less digits than its factorization.

6369408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6369408 is about 2523.7686106297. The cubic root of 6369408 is about 185.3672568144.

The spelling of 6369408 in words is "six million, three hundred sixty-nine thousand, four hundred eight".