30403214 has 4 divisors (see below), whose sum is σ = 45604824. Its totient is φ = 15201606.

The previous prime is 30403213. The next prime is 30403237. The reversal of 30403214 is 41230403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30403192 and 30403201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7600802 + ... + 7600805.

It is an arithmetic number, because the mean of its divisors is an integer number (11401206).

Almost surely, 2^30403214 is an apocalyptic number.

30403214 is a deficient number, since it is larger than the sum of its proper divisors (15201610).

30403214 is a wasteful number, since it uses less digits than its factorization.

30403214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15201609.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30403214 is about 5513.9109532164. The cubic root of 30403214 is about 312.1091484761.

Adding to 30403214 its reverse (41230403), we get a palindrome (71633617).

The spelling of 30403214 in words is "thirty million, four hundred three thousand, two hundred fourteen".