30327428 has 12 divisors (see below), whose sum is σ = 53114880. Its totient is φ = 15151752.

The previous prime is 30327421. The next prime is 30327443. The reversal of 30327428 is 82472303.

It is a self number, because there is not a number n which added to its sum of digits gives 30327428.

It is not an unprimeable number, because it can be changed into a prime (30327421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (4426240).

Almost surely, 2^30327428 is an apocalyptic number.

It is an amenable number.

30327428 is a deficient number, since it is larger than the sum of its proper divisors (22787452).

30327428 is a wasteful number, since it uses less digits than its factorization.

30327428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986 (or 5984 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 30327428 is about 5507.0344106424. The cubic root of 30327428 is about 311.8496015209.

The spelling of 30327428 in words is "thirty million, three hundred twenty-seven thousand, four hundred twenty-eight".