4267998 has 48 divisors (see below), whose sum is σ = 11039760. Its totient is φ = 1218672.

The previous prime is 4267981. The next prime is 4268009. The reversal of 4267998 is 8997624.

It is a happy number.

It is a plaindrome in base 11.

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 23 ways as a sum of consecutive naturals, for example, 1840 + ... + 3452.

It is an arithmetic number, because the mean of its divisors is an integer number (229995).

Almost surely, 2^4267998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4267998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5519880).

4267998 is an abundant number, since it is smaller than the sum of its proper divisors (6771762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4267998 is a wasteful number, since it uses less digits than its factorization.

4267998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1625 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4267998 is about 2065.9133573313. The cubic root of 4267998 is about 162.2089211240.

The spelling of 4267998 in words is "four million, two hundred sixty-seven thousand, nine hundred ninety-eight".