28754930 has 32 divisors (see below), whose sum is σ = 52859520. Its totient is φ = 11260800.

The previous prime is 28754911. The next prime is 28754953. The reversal of 28754930 is 3945782.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190355 + ... + 190505.

It is an arithmetic number, because the mean of its divisors is an integer number (1651860).

Almost surely, 2^28754930 is an apocalyptic number.

28754930 is a deficient number, since it is larger than the sum of its proper divisors (24104590).

28754930 is a wasteful number, since it uses less digits than its factorization.

28754930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 28754930 is about 5362.3623525458. The cubic root of 28754930 is about 306.3637933366.

The spelling of 28754930 in words is "twenty-eight million, seven hundred fifty-four thousand, nine hundred thirty".