28330414 has 16 divisors (see below), whose sum is σ = 49292928. Its totient is φ = 11959992.

The previous prime is 28330409. The next prime is 28330429. The reversal of 28330414 is 41403382.

It is a super-2 number, since 2×28330414² = 1605224714822792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14164 + ... + 16039.

It is an arithmetic number, because the mean of its divisors is an integer number (3080808).

Almost surely, 2^28330414 is an apocalyptic number.

28330414 is a deficient number, since it is larger than the sum of its proper divisors (20962514).

28330414 is a wasteful number, since it uses less digits than its factorization.

28330414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30279.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 28330414 is about 5322.6322435427. The cubic root of 28330414 is about 304.8486716823.

Adding to 28330414 its reverse (41403382), we get a palindrome (69733796).

The spelling of 28330414 in words is "twenty-eight million, three hundred thirty thousand, four hundred fourteen".