6403258 has 16 divisors (see below), whose sum is σ = 10034280. Its totient is φ = 3060736.

The previous prime is 6403219. The next prime is 6403273. The reversal of 6403258 is 8523046.

It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 1172889 = 2287^2 + 1083^2 .

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, 6066 + ... + 7042.

Almost surely, 2^6403258 is an apocalyptic number.

6403258 is a deficient number, since it is larger than the sum of its proper divisors (3631022).

6403258 is a wasteful number, since it uses less digits than its factorization.

6403258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6403258 is about 2530.4659649954. The cubic root of 6403258 is about 185.6950527843.

The spelling of 6403258 in words is "six million, four hundred three thousand, two hundred fifty-eight".