30198332 has 6 divisors (see below), whose sum is σ = 52847088. Its totient is φ = 15099164.

The previous prime is 30198319. The next prime is 30198347. The reversal of 30198332 is 23389103.

It is a junction number, because it is equal to n+sod(n) for n = 30198295 and 30198304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3774788 + ... + 3774795.

It is an arithmetic number, because the mean of its divisors is an integer number (8807848).

Almost surely, 2^30198332 is an apocalyptic number.

It is an amenable number.

30198332 is a deficient number, since it is larger than the sum of its proper divisors (22648756).

30198332 is a wasteful number, since it uses less digits than its factorization.

30198332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549587 (or 7549585 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30198332 is about 5495.3009016795. The cubic root of 30198332 is about 311.4064845399.

The spelling of 30198332 in words is "thirty million, one hundred ninety-eight thousand, three hundred thirty-two".