6465830 has 16 divisors (see below), whose sum is σ = 13301280. Its totient is φ = 2216832.

The previous prime is 6465821. The next prime is 6465839. The reversal of 6465830 is 385646.

It is an interprime number because it is at equal distance from previous prime (6465821) and next prime (6465839).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465839) 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, 46115 + ... + 46254.

It is an arithmetic number, because the mean of its divisors is an integer number (831330).

Almost surely, 2^6465830 is an apocalyptic number.

6465830 is an abundant number, since it is smaller than the sum of its proper divisors (6835450).

6465830 is a wasteful number, since it uses less digits than its factorization.

6465830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92383.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6465830 is about 2542.7996381941. The cubic root of 6465830 is about 186.2979577117.

The spelling of 6465830 in words is "six million, four hundred sixty-five thousand, eight hundred thirty".