30196992 has 144 divisors (see below), whose sum is σ = 94776192. Its totient is φ = 8355840.

The previous prime is 30196979. The next prime is 30197003. The reversal of 30196992 is 29969103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30196992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220348 + ... + 220484.

It is an arithmetic number, because the mean of its divisors is an integer number (658168).

Almost surely, 2^30196992 is an apocalyptic number.

30196992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30196992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47388096).

30196992 is an abundant number, since it is smaller than the sum of its proper divisors (64579200).

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

30196992 is a wasteful number, since it uses less digits than its factorization.

30196992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 30196992 is about 5495.1789779770. The cubic root of 30196992 is about 311.4018784261.

It can be divided in two parts, 3019 and 6992, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 30196992 in words is "thirty million, one hundred ninety-six thousand, nine hundred ninety-two".