4928985 has 32 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 2536128.

The previous prime is 4928977. The next prime is 4928993. The reversal of 4928985 is 5898294.

4928985 is a `hidden beast` number, since 492 + 89 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (4928977) and next prime (4928993).

It is not a de Polignac number, because 4928985 - 2³ = 4928977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

Its product of digits (207360) is a multiple of the sum of its prime divisors (1296).

It is a Curzon number.

4928985 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4928985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3286 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^4928985 is an apocalyptic number.

4928985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4928985 is a deficient number, since it is larger than the sum of its proper divisors (4143015).

4928985 is a wasteful number, since it uses less digits than its factorization.

4928985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1296 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4928985 is about 2220.1317528471. The cubic root of 4928985 is about 170.1841717986.

The spelling of 4928985 in words is "four million, nine hundred twenty-eight thousand, nine hundred eighty-five".