30196851 has 4 divisors (see below), whose sum is σ = 40262472. Its totient is φ = 20131232.

The previous prime is 30196841. The next prime is 30196853. The reversal of 30196851 is 15869103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30196851 - 2¹⁰ = 30195827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30196853) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5032806 + ... + 5032811.

It is an arithmetic number, because the mean of its divisors is an integer number (10065618).

Almost surely, 2^30196851 is an apocalyptic number.

30196851 is a deficient number, since it is larger than the sum of its proper divisors (10065621).

30196851 is a wasteful number, since it uses less digits than its factorization.

30196851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065620.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 30196851 is about 5495.1661485345. The cubic root of 30196851 is about 311.4013937450.

It can be divided in two parts, 3019 and 6851, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 30196851 in words is "thirty million, one hundred ninety-six thousand, eight hundred fifty-one".