28514783 has 4 divisors (see below), whose sum is σ = 31107048. Its totient is φ = 25922520.

The previous prime is 28514777. The next prime is 28514789. The reversal of 28514783 is 38741582.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (28514777) and next prime (28514789).

It is a cyclic number.

It is not a de Polignac number, because 28514783 - 2⁴ = 28514767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28514789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296116 + ... + 1296137.

It is an arithmetic number, because the mean of its divisors is an integer number (7776762).

Almost surely, 2^28514783 is an apocalyptic number.

28514783 is a deficient number, since it is larger than the sum of its proper divisors (2592265).

28514783 is a wasteful number, since it uses less digits than its factorization.

28514783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592264.

The product of its digits is 53760, while the sum is 38.

The square root of 28514783 is about 5339.9235013247. The cubic root of 28514783 is about 305.5085415612.

The spelling of 28514783 in words is "twenty-eight million, five hundred fourteen thousand, seven hundred eighty-three".