30196394 has 8 divisors (see below), whose sum is σ = 45529860. Its totient is φ = 15019776.

The previous prime is 30196381. The next prime is 30196399. The reversal of 30196394 is 49369103.

It can be written as a sum of positive squares in 2 ways, for example, as 30195025 + 1369 = 5495^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30196399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38729 + ... + 39500.

Almost surely, 2^30196394 is an apocalyptic number.

30196394 is a deficient number, since it is larger than the sum of its proper divisors (15333466).

30196394 is a wasteful number, since it uses less digits than its factorization.

30196394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78424.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 30196394 is about 5495.1245663770. The cubic root of 30196394 is about 311.3998228179.

The spelling of 30196394 in words is "thirty million, one hundred ninety-six thousand, three hundred ninety-four".