6398532 has 36 divisors (see below), whose sum is σ = 18485376. Its totient is φ = 1828080.

The previous prime is 6398519. The next prime is 6398537. The reversal of 6398532 is 2358936.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6 + 3¹³ + 9³ + 8⁴ + 5² + 3¹⁴ + 2¹⁴ .

It is not an unprimeable number, because it can be changed into a prime (6398537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12444 + ... + 12947.

Almost surely, 2^6398532 is an apocalyptic number.

It is an amenable number.

6398532 is an abundant number, since it is smaller than the sum of its proper divisors (12086844).

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

6398532 is a wasteful number, since it uses less digits than its factorization.

6398532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25408 (or 25403 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 6398532 is about 2529.5319725198. The cubic root of 6398532 is about 185.6493567332.

The spelling of 6398532 in words is "six million, three hundred ninety-eight thousand, five hundred thirty-two".