30509214 has 8 divisors (see below), whose sum is σ = 61018440. Its totient is φ = 10169736.

The previous prime is 30509191. The next prime is 30509221. The reversal of 30509214 is 41290503.

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

30509214 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542429 + ... + 2542440.

It is an arithmetic number, because the mean of its divisors is an integer number (7627305).

Almost surely, 2^30509214 is an apocalyptic number.

30509214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30509214 is a wasteful number, since it uses less digits than its factorization.

30509214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084874.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30509214 is about 5523.5146419648. The cubic root of 30509214 is about 312.4714478447.

Adding to 30509214 its reverse (41290503), we get a palindrome (71799717).

The spelling of 30509214 in words is "thirty million, five hundred nine thousand, two hundred fourteen".