6409320 has 32 divisors (see below), whose sum is σ = 19228320. Its totient is φ = 1709120.

The previous prime is 6409307. The next prime is 6409321. The reversal of 6409320 is 239046.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409321) 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, 26586 + ... + 26825.

It is an arithmetic number, because the mean of its divisors is an integer number (600885).

Almost surely, 2^6409320 is an apocalyptic number.

6409320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6409320 is an abundant number, since it is smaller than the sum of its proper divisors (12819000).

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

6409320 is a wasteful number, since it uses less digits than its factorization.

6409320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53425 (or 53421 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6409320 is about 2531.6634847467. The cubic root of 6409320 is about 185.7536338153.

The spelling of 6409320 in words is "six million, four hundred nine thousand, three hundred twenty".