30328419 has 32 divisors (see below), whose sum is σ = 46183680. Its totient is φ = 17539200.

The previous prime is 30328393. The next prime is 30328429. The reversal of 30328419 is 91482303.

It is not a de Polignac number, because 30328419 - 2¹⁷ = 30197347 is a prime.

It is a super-2 number, since 2×30328419² = 1839625998079122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30328429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71829 + ... + 72249.

It is an arithmetic number, because the mean of its divisors is an integer number (1443240).

Almost surely, 2^30328419 is an apocalyptic number.

30328419 is a deficient number, since it is larger than the sum of its proper divisors (15855261).

30328419 is a wasteful number, since it uses less digits than its factorization.

30328419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30328419 is about 5507.1243857389. The cubic root of 30328419 is about 311.8529982216.

It can be divided in two parts, 303284 and 19, that added together give a palindrome (303303).

The spelling of 30328419 in words is "thirty million, three hundred twenty-eight thousand, four hundred nineteen".