30453198 has 16 divisors (see below), whose sum is σ = 61641216. Its totient is φ = 10028600.

The previous prime is 30453179. The next prime is 30453209. The reversal of 30453198 is 89135403.

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, 30078 + ... + 31073.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576).

Almost surely, 2^30453198 is an apocalyptic number.

30453198 is an abundant number, since it is smaller than the sum of its proper divisors (31188018).

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

30453198 is a wasteful number, since it uses less digits than its factorization.

30453198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61239.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 30453198 is about 5518.4416278511. The cubic root of 30453198 is about 312.2800944626.

The spelling of 30453198 in words is "thirty million, four hundred fifty-three thousand, one hundred ninety-eight".