28930414 has 8 divisors (see below), whose sum is σ = 44131320. Its totient is φ = 14219976.

The previous prime is 28930361. The next prime is 28930457. The reversal of 28930414 is 41403982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28930414² = 1673937708422792, 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 3 ways as a sum of consecutive naturals, for example, 122469 + ... + 122704.

It is an arithmetic number, because the mean of its divisors is an integer number (5516415).

Almost surely, 2^28930414 is an apocalyptic number.

28930414 is a deficient number, since it is larger than the sum of its proper divisors (15200906).

28930414 is a wasteful number, since it uses less digits than its factorization.

28930414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245234.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28930414 is about 5378.7000288174. The cubic root of 28930414 is about 306.9857498505.

It can be divided in two parts, 289 and 30414, that added together give a palindrome (30703).

The spelling of 28930414 in words is "twenty-eight million, nine hundred thirty thousand, four hundred fourteen".