6404352 has 72 divisors (see below), whose sum is σ = 17660160. Its totient is φ = 2058240.

The previous prime is 6404347. The next prime is 6404353. The reversal of 6404352 is 2534046.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (6404353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23674 + ... + 23942.

It is an arithmetic number, because the mean of its divisors is an integer number (245280).

Almost surely, 2^6404352 is an apocalyptic number.

6404352 is a gapful number since it is divisible by the number (62) 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 6404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8830080).

6404352 is an abundant number, since it is smaller than the sum of its proper divisors (11255808).

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

6404352 is a wasteful number, since it uses less digits than its factorization.

6404352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 6404352 is about 2530.6821214842. The cubic root of 6404352 is about 185.7056275479.

Adding to 6404352 its reverse (2534046), we get a palindrome (8938398).

The spelling of 6404352 in words is "six million, four hundred four thousand, three hundred fifty-two".