30163194 has 12 divisors (see below), whose sum is σ = 65353626. Its totient is φ = 10054392.

The previous prime is 30163157. The next prime is 30163223. The reversal of 30163194 is 49136103.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 2442969 = 5265^2 + 1563^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 837849 + ... + 837884.

Almost surely, 2^30163194 is an apocalyptic number.

30163194 is an abundant number, since it is smaller than the sum of its proper divisors (35190432).

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

30163194 is a wasteful number, since it uses less digits than its factorization.

30163194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675741 (or 1675738 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 30163194 is about 5492.1028759483. The cubic root of 30163194 is about 311.2856561464.

Adding to 30163194 its reverse (49136103), we get a palindrome (79299297).

The spelling of 30163194 in words is "thirty million, one hundred sixty-three thousand, one hundred ninety-four".