30389714 has 4 divisors (see below), whose sum is σ = 45584574. Its totient is φ = 15194856.

The previous prime is 30389713. The next prime is 30389729. The reversal of 30389714 is 41798303.

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

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 1283689 = 5395^2 + 1133^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30389713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7597427 + ... + 7597430.

Almost surely, 2^30389714 is an apocalyptic number.

30389714 is a deficient number, since it is larger than the sum of its proper divisors (15194860).

30389714 is a wasteful number, since it uses less digits than its factorization.

30389714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15194859.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 30389714 is about 5512.6866408313. The cubic root of 30389714 is about 312.0629461536.

The spelling of 30389714 in words is "thirty million, three hundred eighty-nine thousand, seven hundred fourteen".