4090998 has 8 divisors (see below), whose sum is σ = 8182008. Its totient is φ = 1363664.

The previous prime is 4090997. The next prime is 4091011. The reversal of 4090998 is 8990904.

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

4090998 is an admirable number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090991) 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, 340911 + ... + 340922.

It is an arithmetic number, because the mean of its divisors is an integer number (1022751).

Almost surely, 2^4090998 is an apocalyptic number.

4090998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4090998 is a wasteful number, since it uses less digits than its factorization.

4090998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681838.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 4090998 is about 2022.6215661858. The cubic root of 4090998 is about 159.9348432615.

The spelling of 4090998 in words is "four million, ninety thousand, nine hundred ninety-eight".