30041998 has 16 divisors (see below), whose sum is σ = 52552800. Its totient is φ = 12874848.

The previous prime is 30041989. The next prime is 30042011. The reversal of 30041998 is 89914003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21211 + ... + 22582.

It is an arithmetic number, because the mean of its divisors is an integer number (3284550).

Almost surely, 2^30041998 is an apocalyptic number.

30041998 is a deficient number, since it is larger than the sum of its proper divisors (22510802).

30041998 is an equidigital number, since it uses as much as digits as its factorization.

30041998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43816 (or 43802 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 30041998 is about 5481.0581095259. The cubic root of 30041998 is about 310.8681802644.

The spelling of 30041998 in words is "thirty million, forty-one thousand, nine hundred ninety-eight".