6447598 has 4 divisors (see below), whose sum is σ = 9671400. Its totient is φ = 3223798.

The previous prime is 6447577. The next prime is 6447629. The reversal of 6447598 is 8957446.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611898 + ... + 1611901.

It is an arithmetic number, because the mean of its divisors is an integer number (2417850).

Almost surely, 2^6447598 is an apocalyptic number.

6447598 is a deficient number, since it is larger than the sum of its proper divisors (3223802).

6447598 is a wasteful number, since it uses less digits than its factorization.

6447598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223801.

The product of its digits is 241920, while the sum is 43.

The square root of 6447598 is about 2539.2120825169. The cubic root of 6447598 is about 186.1226885466.

The spelling of 6447598 in words is "six million, four hundred forty-seven thousand, five hundred ninety-eight".