4992985 has 8 divisors (see below), whose sum is σ = 6344136. Its totient is φ = 3759360.

The previous prime is 4992973. The next prime is 4992997. The reversal of 4992985 is 5892994.

It is an interprime number because it is at equal distance from previous prime (4992973) and next prime (4992997).

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 4439449 = 744^2 + 2107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4992985 - 2²¹ = 2895833 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 29286 + ... + 29455.

It is an arithmetic number, because the mean of its divisors is an integer number (793017).

Almost surely, 2^4992985 is an apocalyptic number.

It is an amenable number.

4992985 is a deficient number, since it is larger than the sum of its proper divisors (1351151).

4992985 is a wasteful number, since it uses less digits than its factorization.

4992985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58763.

The product of its digits is 233280, while the sum is 46.

The square root of 4992985 is about 2234.4988252402. The cubic root of 4992985 is about 170.9175873641.

Subtracting 4992985 from its reverse (5892994), we obtain a palindrome (900009).

The spelling of 4992985 in words is "four million, nine hundred ninety-two thousand, nine hundred eighty-five".