6398522 has 8 divisors (see below), whose sum is σ = 10336116. Its totient is φ = 2953152.

The previous prime is 6398519. The next prime is 6398537. The reversal of 6398522 is 2258936.

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 203401 = 2489^2 + 451^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123023 + ... + 123074.

Almost surely, 2^6398522 is an apocalyptic number.

6398522 is a deficient number, since it is larger than the sum of its proper divisors (3937594).

6398522 is a wasteful number, since it uses less digits than its factorization.

6398522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246112.

The product of its digits is 25920, while the sum is 35.

The square root of 6398522 is about 2529.5299958688. The cubic root of 6398522 is about 185.6492600185.

The spelling of 6398522 in words is "six million, three hundred ninety-eight thousand, five hundred twenty-two".