2447998 has 16 divisors (see below), whose sum is σ = 4417920. Its totient is φ = 993816.

The previous prime is 2447981. The next prime is 2448007. The reversal of 2447998 is 8997442.

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 in 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (276120).

2^2447998 is an apocalyptic number.

2447998 is a deficient number, since it is larger than the sum of its proper divisors (1969922).

2447998 is a wasteful number, since it uses less digits than its factorization.

2447998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231.

The product of its digits is 145152, while the sum is 43.

The square root of 2447998 is about 1564.6079381110. The cubic root of 2447998 is about 134.7732453131.

The spelling of 2447998 in words is "two million, four hundred forty-seven thousand, nine hundred ninety-eight".