3207998 has 8 divisors (see below), whose sum is σ = 5065320. Its totient is φ = 1519560.

The previous prime is 3207991. The next prime is 3208001. The reversal of 3207998 is 8997023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 84421 = 3207998 / (3 + 2 + 0 + 7 + 9 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3207991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42173 + ... + 42248.

It is an arithmetic number, because the mean of its divisors is an integer number (633165).

Almost surely, 2^3207998 is an apocalyptic number.

3207998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3207998 is a deficient number, since it is larger than the sum of its proper divisors (1857322).

3207998 is a wasteful number, since it uses less digits than its factorization.

3207998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84442.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3207998 is about 1791.0884958594. The cubic root of 3207998 is about 147.4839281540.

The spelling of 3207998 in words is "three million, two hundred seven thousand, nine hundred ninety-eight".