30309164 has 36 divisors (see below), whose sum is σ = 57043056. Its totient is φ = 14087424.

The previous prime is 30309157. The next prime is 30309187. The reversal of 30309164 is 46190303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181409 + ... + 181575.

Almost surely, 2^30309164 is an apocalyptic number.

30309164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30309164 is a deficient number, since it is larger than the sum of its proper divisors (26733892).

30309164 is a wasteful number, since it uses less digits than its factorization.

30309164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30309164 is about 5505.3759181367. The cubic root of 30309164 is about 311.7869875195.

Adding to 30309164 its reverse (46190303), we get a palindrome (76499467).

The spelling of 30309164 in words is "thirty million, three hundred nine thousand, one hundred sixty-four".