28538414 has 8 divisors (see below), whose sum is σ = 44188608. Its totient is φ = 13808880.

The previous prime is 28538381. The next prime is 28538429. The reversal of 28538414 is 41483582.

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

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, 230087 + ... + 230210.

It is an arithmetic number, because the mean of its divisors is an integer number (5523576).

Almost surely, 2^28538414 is an apocalyptic number.

28538414 is a deficient number, since it is larger than the sum of its proper divisors (15650194).

28538414 is a wasteful number, since it uses less digits than its factorization.

28538414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460330.

The product of its digits is 30720, while the sum is 35.

The square root of 28538414 is about 5342.1357152360. The cubic root of 28538414 is about 305.5929127561.

The spelling of 28538414 in words is "twenty-eight million, five hundred thirty-eight thousand, four hundred fourteen".