4209998 has 8 divisors (see below), whose sum is σ = 6800808. Its totient is φ = 1943064.

The previous prime is 4209991. The next prime is 4210013. The reversal of 4209998 is 8999024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80936 + ... + 80987.

It is an arithmetic number, because the mean of its divisors is an integer number (850101).

Almost surely, 2^4209998 is an apocalyptic number.

4209998 is a deficient number, since it is larger than the sum of its proper divisors (2590810).

4209998 is a wasteful number, since it uses less digits than its factorization.

4209998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161938.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 4209998 is about 2051.8279654981. The cubic root of 4209998 is about 161.4707874329.

The spelling of 4209998 in words is "four million, two hundred nine thousand, nine hundred ninety-eight".