6403598 has 4 divisors (see below), whose sum is σ = 9605400. Its totient is φ = 3201798.

The previous prime is 6403571. The next prime is 6403601. The reversal of 6403598 is 8953046.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600898 + ... + 1600901.

It is an arithmetic number, because the mean of its divisors is an integer number (2401350).

Almost surely, 2^6403598 is an apocalyptic number.

6403598 is a deficient number, since it is larger than the sum of its proper divisors (3201802).

6403598 is a wasteful number, since it uses less digits than its factorization.

6403598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201801.

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

The square root of 6403598 is about 2530.5331454063. The cubic root of 6403598 is about 185.6983394029.

The spelling of 6403598 in words is "six million, four hundred three thousand, five hundred ninety-eight".