4030998 has 24 divisors (see below), whose sum is σ = 8243448. Its totient is φ = 1314048.

The previous prime is 4030993. The next prime is 4031047. The reversal of 4030998 is 8990304.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20790 + ... + 20982.

It is an arithmetic number, because the mean of its divisors is an integer number (343477).

Almost surely, 2^4030998 is an apocalyptic number.

4030998 is an abundant number, since it is smaller than the sum of its proper divisors (4212450).

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

4030998 is a wasteful number, since it uses less digits than its factorization.

4030998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4030998 is about 2007.7345442065. The cubic root of 4030998 is about 159.1491026491.

The spelling of 4030998 in words is "four million, thirty thousand, nine hundred ninety-eight".