30660198 has 32 divisors (see below), whose sum is σ = 63431424. Its totient is φ = 9872352.

The previous prime is 30660193. The next prime is 30660229. The reversal of 30660198 is 89106603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36661 + ... + 37487.

It is an arithmetic number, because the mean of its divisors is an integer number (1982232).

Almost surely, 2^30660198 is an apocalyptic number.

30660198 is an abundant number, since it is smaller than the sum of its proper divisors (32771226).

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

30660198 is a wasteful number, since it uses less digits than its factorization.

30660198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

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

The square root of 30660198 is about 5537.1651591767. The cubic root of 30660198 is about 312.9860527900.

The spelling of 30660198 in words is "thirty million, six hundred sixty thousand, one hundred ninety-eight".