6458000 has 40 divisors (see below), whose sum is σ = 15620280. Its totient is φ = 2582400.

The previous prime is 6457991. The next prime is 6458003. The reversal of 6458000 is 8546.

It can be written as a sum of positive squares in 4 ways, for example, as 620944 + 5837056 = 788^2 + 2416^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6458003) 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, 386 + ... + 3614.

It is an arithmetic number, because the mean of its divisors is an integer number (390507).

Almost surely, 2^6458000 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 6458000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7810140).

6458000 is an abundant number, since it is smaller than the sum of its proper divisors (9162280).

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

6458000 is a wasteful number, since it uses less digits than its factorization.

6458000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6458000 is about 2541.2595302330. The cubic root of 6458000 is about 186.2227262137. Note that the first 3 decimals are identical.

The spelling of 6458000 in words is "six million, four hundred fifty-eight thousand".