6450998 has 4 divisors (see below), whose sum is σ = 9676500. Its totient is φ = 3225498.

The previous prime is 6450953. The next prime is 6451019. The reversal of 6450998 is 8990546.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612748 + ... + 1612751.

It is an arithmetic number, because the mean of its divisors is an integer number (2419125).

Almost surely, 2^6450998 is an apocalyptic number.

6450998 is a deficient number, since it is larger than the sum of its proper divisors (3225502).

6450998 is a wasteful number, since it uses less digits than its factorization.

6450998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225501.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 6450998 is about 2539.8814932985. The cubic root of 6450998 is about 186.1553987093.

The spelling of 6450998 in words is "six million, four hundred fifty thousand, nine hundred ninety-eight".