28514750 has 32 divisors (see below), whose sum is σ = 58237920. Its totient is φ = 10368000.

The previous prime is 28514747. The next prime is 28514767. The reversal of 28514750 is 5741582.

It is a congruent 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, 2435 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (1819935).

Almost surely, 2^28514750 is an apocalyptic number.

28514750 is an abundant number, since it is smaller than the sum of its proper divisors (29723170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28514750 is a wasteful number, since it uses less digits than its factorization.

28514750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397 (or 10387 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 28514750 is about 5339.9204113919. The cubic root of 28514750 is about 305.5084237067.

The spelling of 28514750 in words is "twenty-eight million, five hundred fourteen thousand, seven hundred fifty".