30208814 has 4 divisors (see below), whose sum is σ = 45313224. Its totient is φ = 15104406.

The previous prime is 30208811. The next prime is 30208819. The reversal of 30208814 is 41880203.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30208811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552202 + ... + 7552205.

It is an arithmetic number, because the mean of its divisors is an integer number (11328306).

Almost surely, 2^30208814 is an apocalyptic number.

30208814 is a deficient number, since it is larger than the sum of its proper divisors (15104410).

30208814 is a wasteful number, since it uses less digits than its factorization.

30208814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15104409.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 30208814 is about 5496.2545428683. The cubic root of 30208814 is about 311.4425106486.

The spelling of 30208814 in words is "thirty million, two hundred eight thousand, eight hundred fourteen".