6428465 has 8 divisors (see below), whose sum is σ = 8168040. Its totient is φ = 4840192.

The previous prime is 6428447. The next prime is 6428473. The reversal of 6428465 is 5648246.

6428465 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3659569 + 2768896 = 1913^2 + 1664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6428465 - 2¹⁰ = 6427441 is a prime.

It is a super-3 number, since 3×6428465³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 6² + 4⁵ + 2⁵ + 8 + 4¹¹ + 6⁷ + 5⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37730 + ... + 37899.

It is an arithmetic number, because the mean of its divisors is an integer number (1021005).

Almost surely, 2^6428465 is an apocalyptic number.

It is an amenable number.

6428465 is a deficient number, since it is larger than the sum of its proper divisors (1739575).

6428465 is a wasteful number, since it uses less digits than its factorization.

6428465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75651.

The product of its digits is 46080, while the sum is 35.

The square root of 6428465 is about 2535.4417761014. The cubic root of 6428465 is about 185.9384021565.

The spelling of 6428465 in words is "six million, four hundred twenty-eight thousand, four hundred sixty-five".