30328214 has 32 divisors (see below), whose sum is σ = 54867456. Its totient is φ = 12291840.

The previous prime is 30328211. The next prime is 30328217. The reversal of 30328214 is 41282303.

It is an interprime number because it is at equal distance from previous prime (30328211) and next prime (30328217).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 30328214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30328211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30749 + ... + 31719.

It is an arithmetic number, because the mean of its divisors is an integer number (1714608).

Almost surely, 2^30328214 is an apocalyptic number.

30328214 is a deficient number, since it is larger than the sum of its proper divisors (24539242).

30328214 is a wasteful number, since it uses less digits than its factorization.

30328214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30328214 is about 5507.1057734531. The cubic root of 30328214 is about 311.8522955802.

The spelling of 30328214 in words is "thirty million, three hundred twenty-eight thousand, two hundred fourteen".