28038514 has 16 divisors (see below), whose sum is σ = 48155328. Its totient is φ = 11994192.

The previous prime is 28038499. The next prime is 28038533. The reversal of 28038514 is 41583082.

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, 7609 + ... + 10675.

It is an arithmetic number, because the mean of its divisors is an integer number (3009708).

Almost surely, 2^28038514 is an apocalyptic number.

28038514 is a deficient number, since it is larger than the sum of its proper divisors (20116814).

28038514 is a wasteful number, since it uses less digits than its factorization.

28038514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28038514 is about 5295.1406024770. The cubic root of 28038514 is about 303.7980610048.

The spelling of 28038514 in words is "twenty-eight million, thirty-eight thousand, five hundred fourteen".